diff --git a/packages/@headlessui-vue/CHANGELOG.md b/packages/@headlessui-vue/CHANGELOG.md
index 9736078..d818ab7 100644
--- a/packages/@headlessui-vue/CHANGELOG.md
+++ b/packages/@headlessui-vue/CHANGELOG.md
@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Ensure the caret is in a consistent position when syncing the `Combobox.Input` value ([#2568](https://github.com/tailwindlabs/headlessui/pull/2568))
 - Improve "outside click" behaviour in combination with 3rd party libraries ([#2572](https://github.com/tailwindlabs/headlessui/pull/2572))
+- Improve performance of `Combobox` component ([#2574](https://github.com/tailwindlabs/headlessui/pull/2574))
 
 ## [1.7.14] - 2023-06-01
 
diff --git a/packages/@headlessui-vue/src/components/combobox/combobox.ts b/packages/@headlessui-vue/src/components/combobox/combobox.ts
index 596822c..5a39b16 100644
--- a/packages/@headlessui-vue/src/components/combobox/combobox.ts
+++ b/packages/@headlessui-vue/src/components/combobox/combobox.ts
@@ -202,6 +202,9 @@ export let Combobox = defineComponent({
       computed(() => props.defaultValue)
     )
 
+    let goToOptionRaf: ReturnType<typeof requestAnimationFrame> | null = null
+    let orderOptionsRaf: ReturnType<typeof requestAnimationFrame> | null = null
+
     let api = {
       comboboxState,
       value,
@@ -275,47 +278,53 @@ export let Combobox = defineComponent({
         comboboxState.value = ComboboxStates.Open
       },
       goToOption(focus: Focus, id?: string, trigger?: ActivationTrigger) {
-        defaultToFirstOption.value = false
-
-        if (props.disabled) return
-        if (
-          optionsRef.value &&
-          !optionsPropsRef.value.static &&
-          comboboxState.value === ComboboxStates.Closed
-        ) {
-          return
+        if (goToOptionRaf !== null) {
+          cancelAnimationFrame(goToOptionRaf)
         }
 
-        let adjustedState = adjustOrderedState()
+        goToOptionRaf = requestAnimationFrame(() => {
+          defaultToFirstOption.value = false
 
-        // It's possible that the activeOptionIndex is set to `null` internally, but
-        // this means that we will fallback to the first non-disabled option by default.
-        // We have to take this into account.
-        if (adjustedState.activeOptionIndex === null) {
-          let localActiveOptionIndex = adjustedState.options.findIndex(
-            (option) => !option.dataRef.disabled
+          if (props.disabled) return
+          if (
+            optionsRef.value &&
+            !optionsPropsRef.value.static &&
+            comboboxState.value === ComboboxStates.Closed
+          ) {
+            return
+          }
+
+          let adjustedState = adjustOrderedState()
+
+          // It's possible that the activeOptionIndex is set to `null` internally, but
+          // this means that we will fallback to the first non-disabled option by default.
+          // We have to take this into account.
+          if (adjustedState.activeOptionIndex === null) {
+            let localActiveOptionIndex = adjustedState.options.findIndex(
+              (option) => !option.dataRef.disabled
+            )
+
+            if (localActiveOptionIndex !== -1) {
+              adjustedState.activeOptionIndex = localActiveOptionIndex
+            }
+          }
+
+          let nextActiveOptionIndex = calculateActiveIndex(
+            focus === Focus.Specific
+              ? { focus: Focus.Specific, id: id! }
+              : { focus: focus as Exclude<Focus, Focus.Specific> },
+            {
+              resolveItems: () => adjustedState.options,
+              resolveActiveIndex: () => adjustedState.activeOptionIndex,
+              resolveId: (option) => option.id,
+              resolveDisabled: (option) => option.dataRef.disabled,
+            }
           )
 
-          if (localActiveOptionIndex !== -1) {
-            adjustedState.activeOptionIndex = localActiveOptionIndex
-          }
-        }
-
-        let nextActiveOptionIndex = calculateActiveIndex(
-          focus === Focus.Specific
-            ? { focus: Focus.Specific, id: id! }
-            : { focus: focus as Exclude<Focus, Focus.Specific> },
-          {
-            resolveItems: () => adjustedState.options,
-            resolveActiveIndex: () => adjustedState.activeOptionIndex,
-            resolveId: (option) => option.id,
-            resolveDisabled: (option) => option.dataRef.disabled,
-          }
-        )
-
-        activeOptionIndex.value = nextActiveOptionIndex
-        activationTrigger.value = trigger ?? ActivationTrigger.Other
-        options.value = adjustedState.options
+          activeOptionIndex.value = nextActiveOptionIndex
+          activationTrigger.value = trigger ?? ActivationTrigger.Other
+          options.value = adjustedState.options
+        })
       },
       selectOption(id: string) {
         let option = options.value.find((item) => item.id === id)
@@ -369,8 +378,14 @@ export let Combobox = defineComponent({
         api.goToOption(Focus.Specific, id)
       },
       registerOption(id: string, dataRef: ComboboxOptionData) {
+        if (orderOptionsRaf) cancelAnimationFrame(orderOptionsRaf)
+
         let option = { id, dataRef }
-        let adjustedState = adjustOrderedState((options) => [...options, option])
+
+        let adjustedState = adjustOrderedState((options) => {
+          options.push(option)
+          return options
+        })
 
         // Check if we have a selected value that we can make active.
         if (activeOptionIndex.value === null) {
@@ -394,7 +409,7 @@ export let Combobox = defineComponent({
 
         // If some of the DOM elements aren't ready yet, then we can retry in the next tick.
         if (adjustedState.options.some((option) => !dom(option.dataRef.domRef))) {
-          requestAnimationFrame(() => {
+          orderOptionsRaf = requestAnimationFrame(() => {
             let adjustedState = adjustOrderedState()
             options.value = adjustedState.options
             activeOptionIndex.value = adjustedState.activeOptionIndex
diff --git a/packages/playground-react/data.ts b/packages/playground-react/data.ts
new file mode 100644
index 0000000..7df0810
--- /dev/null
+++ b/packages/playground-react/data.ts
@@ -0,0 +1,251 @@
+export let countries = [
+  'Afghanistan',
+  'Albania',
+  'Algeria',
+  'American Samoa',
+  'Andorra',
+  'Angola',
+  'Anguilla',
+  'Antarctica',
+  'Antigua and Barbuda',
+  'Argentina',
+  'Armenia',
+  'Aruba',
+  'Australia',
+  'Austria',
+  'Azerbaijan',
+  'Bahamas (the)',
+  'Bahrain',
+  'Bangladesh',
+  'Barbados',
+  'Belarus',
+  'Belgium',
+  'Belize',
+  'Benin',
+  'Bermuda',
+  'Bhutan',
+  'Bolivia (Plurinational State of)',
+  'Bonaire, Sint Eustatius and Saba',
+  'Bosnia and Herzegovina',
+  'Botswana',
+  'Bouvet Island',
+  'Brazil',
+  'British Indian Ocean Territory (the)',
+  'Brunei Darussalam',
+  'Bulgaria',
+  'Burkina Faso',
+  'Burundi',
+  'Cabo Verde',
+  'Cambodia',
+  'Cameroon',
+  'Canada',
+  'Cayman Islands (the)',
+  'Central African Republic (the)',
+  'Chad',
+  'Chile',
+  'China',
+  'Christmas Island',
+  'Cocos (Keeling) Islands (the)',
+  'Colombia',
+  'Comoros (the)',
+  'Congo (the Democratic Republic of the)',
+  'Congo (the)',
+  'Cook Islands (the)',
+  'Costa Rica',
+  'Croatia',
+  'Cuba',
+  'Curaçao',
+  'Cyprus',
+  'Czechia',
+  "Côte d'Ivoire",
+  'Denmark',
+  'Djibouti',
+  'Dominica',
+  'Dominican Republic (the)',
+  'Ecuador',
+  'Egypt',
+  'El Salvador',
+  'Equatorial Guinea',
+  'Eritrea',
+  'Estonia',
+  'Eswatini',
+  'Ethiopia',
+  'Falkland Islands (the) [Malvinas]',
+  'Faroe Islands (the)',
+  'Fiji',
+  'Finland',
+  'France',
+  'French Guiana',
+  'French Polynesia',
+  'French Southern Territories (the)',
+  'Gabon',
+  'Gambia (the)',
+  'Georgia',
+  'Germany',
+  'Ghana',
+  'Gibraltar',
+  'Greece',
+  'Greenland',
+  'Grenada',
+  'Guadeloupe',
+  'Guam',
+  'Guatemala',
+  'Guernsey',
+  'Guinea',
+  'Guinea-Bissau',
+  'Guyana',
+  'Haiti',
+  'Heard Island and McDonald Islands',
+  'Holy See (the)',
+  'Honduras',
+  'Hong Kong',
+  'Hungary',
+  'Iceland',
+  'India',
+  'Indonesia',
+  'Iran (Islamic Republic of)',
+  'Iraq',
+  'Ireland',
+  'Isle of Man',
+  'Israel',
+  'Italy',
+  'Jamaica',
+  'Japan',
+  'Jersey',
+  'Jordan',
+  'Kazakhstan',
+  'Kenya',
+  'Kiribati',
+  "Korea (the Democratic People's Republic of)",
+  'Korea (the Republic of)',
+  'Kuwait',
+  'Kyrgyzstan',
+  "Lao People's Democratic Republic (the)",
+  'Latvia',
+  'Lebanon',
+  'Lesotho',
+  'Liberia',
+  'Libya',
+  'Liechtenstein',
+  'Lithuania',
+  'Luxembourg',
+  'Macao',
+  'Madagascar',
+  'Malawi',
+  'Malaysia',
+  'Maldives',
+  'Mali',
+  'Malta',
+  'Marshall Islands (the)',
+  'Martinique',
+  'Mauritania',
+  'Mauritius',
+  'Mayotte',
+  'Mexico',
+  'Micronesia (Federated States of)',
+  'Moldova (the Republic of)',
+  'Monaco',
+  'Mongolia',
+  'Montenegro',
+  'Montserrat',
+  'Morocco',
+  'Mozambique',
+  'Myanmar',
+  'Namibia',
+  'Nauru',
+  'Nepal',
+  'Netherlands (the)',
+  'New Caledonia',
+  'New Zealand',
+  'Nicaragua',
+  'Niger (the)',
+  'Nigeria',
+  'Niue',
+  'Norfolk Island',
+  'Northern Mariana Islands (the)',
+  'Norway',
+  'Oman',
+  'Pakistan',
+  'Palau',
+  'Palestine, State of',
+  'Panama',
+  'Papua New Guinea',
+  'Paraguay',
+  'Peru',
+  'Philippines (the)',
+  'Pitcairn',
+  'Poland',
+  'Portugal',
+  'Puerto Rico',
+  'Qatar',
+  'Republic of North Macedonia',
+  'Romania',
+  'Russian Federation (the)',
+  'Rwanda',
+  'Réunion',
+  'Saint Barthélemy',
+  'Saint Helena, Ascension and Tristan da Cunha',
+  'Saint Kitts and Nevis',
+  'Saint Lucia',
+  'Saint Martin (French part)',
+  'Saint Pierre and Miquelon',
+  'Saint Vincent and the Grenadines',
+  'Samoa',
+  'San Marino',
+  'Sao Tome and Principe',
+  'Saudi Arabia',
+  'Senegal',
+  'Serbia',
+  'Seychelles',
+  'Sierra Leone',
+  'Singapore',
+  'Sint Maarten (Dutch part)',
+  'Slovakia',
+  'Slovenia',
+  'Solomon Islands',
+  'Somalia',
+  'South Africa',
+  'South Georgia and the South Sandwich Islands',
+  'South Sudan',
+  'Spain',
+  'Sri Lanka',
+  'Sudan (the)',
+  'Suriname',
+  'Svalbard and Jan Mayen',
+  'Sweden',
+  'Switzerland',
+  'Syrian Arab Republic',
+  'Taiwan',
+  'Tajikistan',
+  'Tanzania, United Republic of',
+  'Thailand',
+  'Timor-Leste',
+  'Togo',
+  'Tokelau',
+  'Tonga',
+  'Trinidad and Tobago',
+  'Tunisia',
+  'Turkey',
+  'Turkmenistan',
+  'Turks and Caicos Islands (the)',
+  'Tuvalu',
+  'Uganda',
+  'Ukraine',
+  'United Arab Emirates (the)',
+  'United Kingdom of Great Britain and Northern Ireland (the)',
+  'United States Minor Outlying Islands (the)',
+  'United States of America (the)',
+  'Uruguay',
+  'Uzbekistan',
+  'Vanuatu',
+  'Venezuela (Bolivarian Republic of)',
+  'Viet Nam',
+  'Virgin Islands (British)',
+  'Virgin Islands (U.S.)',
+  'Wallis and Futuna',
+  'Western Sahara',
+  'Yemen',
+  'Zambia',
+  'Zimbabwe',
+  'Åland Islands',
+]
diff --git a/packages/playground-react/pages/combobox/combobox-countries.tsx b/packages/playground-react/pages/combobox/combobox-countries.tsx
new file mode 100644
index 0000000..2c3c761
--- /dev/null
+++ b/packages/playground-react/pages/combobox/combobox-countries.tsx
@@ -0,0 +1,126 @@
+import React, { useState, useEffect } from 'react'
+import { Combobox } from '@headlessui/react'
+
+import { classNames } from '../../utils/class-names'
+import { Button } from '../../components/button'
+import { countries as allCountries } from '../../data'
+
+function useDebounce<T>(value: T, delay: number) {
+  let [debouncedValue, setDebouncedValue] = useState(value)
+  useEffect(() => {
+    let timer = setTimeout(() => setDebouncedValue(value), delay)
+    return () => clearTimeout(timer)
+  }, [value, delay])
+  return debouncedValue
+}
+export default function Home() {
+  let [query, setQuery] = useState('')
+  let [activeCountry, setActiveCountry] = useState(allCountries[2])
+
+  // Mimic delayed response from an API
+  let actualQuery = useDebounce(query, 0 /* Change to higher value like 100 for testing purposes */)
+
+  // Choose a random person on mount
+  useEffect(() => {
+    setActiveCountry(allCountries[Math.floor(Math.random() * allCountries.length)])
+  }, [])
+
+  let countries =
+    actualQuery === ''
+      ? allCountries
+      : allCountries.filter((person) => person.toLowerCase().includes(actualQuery.toLowerCase()))
+
+  return (
+    <div className="flex h-full w-screen justify-center bg-gray-50 p-12">
+      <div className="mx-auto w-full max-w-xs">
+        <div className="py-8 font-mono text-xs">Selected country: {activeCountry}</div>
+        <div className="space-y-1">
+          <Combobox
+            value={activeCountry}
+            onChange={(value) => {
+              setActiveCountry(value)
+              setQuery('')
+            }}
+            as="div"
+          >
+            <Combobox.Label className="block text-sm font-medium leading-5 text-gray-700">
+              Country
+            </Combobox.Label>
+
+            <div className="relative">
+              <span className="relative inline-flex flex-row overflow-hidden rounded-md border shadow-sm">
+                <Combobox.Input
+                  onChange={(e) => setQuery(e.target.value)}
+                  className="border-none px-3 py-1 outline-none"
+                />
+                <Combobox.Button as={Button}>
+                  <span className="pointer-events-none flex items-center px-2">
+                    <svg
+                      className="h-5 w-5 text-gray-400"
+                      viewBox="0 0 20 20"
+                      fill="none"
+                      stroke="currentColor"
+                    >
+                      <path
+                        d="M7 7l3-3 3 3m0 6l-3 3-3-3"
+                        strokeWidth="1.5"
+                        strokeLinecap="round"
+                        strokeLinejoin="round"
+                      />
+                    </svg>
+                  </span>
+                </Combobox.Button>
+              </span>
+
+              <div className="absolute mt-1 w-full rounded-md bg-white shadow-lg">
+                <Combobox.Options className="shadow-xs max-h-60 overflow-auto rounded-md py-1 text-base leading-6 focus:outline-none sm:text-sm sm:leading-5">
+                  {countries.map((country) => (
+                    <Combobox.Option
+                      key={country}
+                      value={country}
+                      className={({ active }) => {
+                        return classNames(
+                          'relative cursor-default select-none py-2 pl-3 pr-9 focus:outline-none',
+                          active ? 'bg-indigo-600 text-white' : 'text-gray-900'
+                        )
+                      }}
+                    >
+                      {({ active, selected }) => (
+                        <>
+                          <span
+                            className={classNames(
+                              'block truncate',
+                              selected ? 'font-semibold' : 'font-normal'
+                            )}
+                          >
+                            {country}
+                          </span>
+                          {selected && (
+                            <span
+                              className={classNames(
+                                'absolute inset-y-0 right-0 flex items-center pr-4',
+                                active ? 'text-white' : 'text-indigo-600'
+                              )}
+                            >
+                              <svg className="h-5 w-5" viewBox="0 0 20 20" fill="currentColor">
+                                <path
+                                  fillRule="evenodd"
+                                  d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z"
+                                  clipRule="evenodd"
+                                />
+                              </svg>
+                            </span>
+                          )}
+                        </>
+                      )}
+                    </Combobox.Option>
+                  ))}
+                </Combobox.Options>
+              </div>
+            </div>
+          </Combobox>
+        </div>
+      </div>
+    </div>
+  )
+}
diff --git a/packages/playground-vue/src/components/combobox/combobox-countries.vue b/packages/playground-vue/src/components/combobox/combobox-countries.vue
new file mode 100644
index 0000000..8c6508a
--- /dev/null
+++ b/packages/playground-vue/src/components/combobox/combobox-countries.vue
@@ -0,0 +1,133 @@
+<script>
+import { countries as allCountries } from '../../data'
+import { ref, defineComponent, computed, onMounted, watch } from 'vue'
+import {
+  Combobox,
+  ComboboxButton,
+  ComboboxInput,
+  ComboboxLabel,
+  ComboboxOption,
+  ComboboxOptions,
+} from '@headlessui/vue'
+
+export default defineComponent({
+  components: {
+    Combobox,
+    ComboboxButton,
+    ComboboxInput,
+    ComboboxLabel,
+    ComboboxOption,
+    ComboboxOptions,
+  },
+  setup() {
+    let query = ref('')
+    let activeCountry = ref(allCountries[2]) // allCountries[Math.floor(Math.random() * allCountries.length)]
+    let filteredCountries = computed(() => {
+      return query.value === ''
+        ? allCountries
+        : allCountries.filter((country) => {
+            return country.toLowerCase().includes(query.value.toLowerCase())
+          })
+    })
+
+    // Choose a random country on mount
+    onMounted(() => {
+      activeCountry.value = allCountries[Math.floor(Math.random() * allCountries.length)]
+    })
+
+    watch(activeCountry, () => {
+      query.value = ''
+    })
+
+    return {
+      query,
+      activeCountry,
+      filteredCountries,
+    }
+  },
+})
+</script>
+
+<template>
+  <div class="flex h-full w-screen justify-center bg-gray-50 p-12">
+    <div class="mx-auto w-full max-w-xs">
+      <div class="py-8 font-mono text-xs">
+        Selected country: {{ activeCountry?.name ?? 'Nothing yet' }}
+      </div>
+      <div class="space-y-1">
+        <Combobox v-model="activeCountry" as="div">
+          <ComboboxLabel class="block text-sm font-medium leading-5 text-gray-700">
+            Assigned to
+          </ComboboxLabel>
+
+          <div class="relative">
+            <span class="relative inline-flex flex-row overflow-hidden rounded-md border shadow-sm">
+              <ComboboxInput
+                @change="query = $event.target.value"
+                class="border-none px-3 py-1 outline-none"
+              />
+              <ComboboxButton
+                class="cursor-default border-l bg-gray-100 px-1 text-indigo-600 focus:outline-none"
+              >
+                <span class="pointer-events-none flex items-center px-2">
+                  <svg
+                    class="h-5 w-5 text-gray-400"
+                    viewBox="0 0 20 20"
+                    fill="none"
+                    stroke="currentColor"
+                  >
+                    <path
+                      d="M7 7l3-3 3 3m0 6l-3 3-3-3"
+                      strokeWidth="1.5"
+                      strokeLinecap="round"
+                      strokeLinejoin="round"
+                    />
+                  </svg>
+                </span>
+              </ComboboxButton>
+            </span>
+
+            <div class="absolute mt-1 w-full rounded-md bg-white shadow-lg">
+              <ComboboxOptions
+                class="shadow-xs max-h-60 overflow-auto rounded-md py-1 text-base leading-6 focus:outline-none sm:text-sm sm:leading-5"
+              >
+                <ComboboxOption
+                  v-for="country in filteredCountries"
+                  :key="country"
+                  :value="country"
+                  v-slot="{ active, selected }"
+                >
+                  <div
+                    :class="[
+                      'relative cursor-default select-none py-2 pl-3 pr-9 focus:outline-none',
+                      active ? 'bg-indigo-600 text-white' : 'text-gray-900',
+                    ]"
+                  >
+                    <span :class="['block truncate', selected ? 'font-semibold' : 'font-normal']">
+                      {{ country }}
+                    </span>
+                    <span
+                      v-if="selected"
+                      :class="[
+                        'absolute inset-y-0 right-0 flex items-center pr-4',
+                        active ? 'text-white' : 'text-indigo-600',
+                      ]"
+                    >
+                      <svg class="h-5 w-5" viewBox="0 0 20 20" fill="currentColor">
+                        <path
+                          fillRule="evenodd"
+                          d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z"
+                          clipRule="evenodd"
+                        />
+                      </svg>
+                    </span>
+                  </div>
+                </ComboboxOption>
+              </ComboboxOptions>
+            </div>
+          </div>
+        </Combobox>
+      </div>
+    </div>
+  </div>
+</template>
diff --git a/packages/playground-vue/src/data.ts b/packages/playground-vue/src/data.ts
new file mode 100644
index 0000000..7df0810
--- /dev/null
+++ b/packages/playground-vue/src/data.ts
@@ -0,0 +1,251 @@
+export let countries = [
+  'Afghanistan',
+  'Albania',
+  'Algeria',
+  'American Samoa',
+  'Andorra',
+  'Angola',
+  'Anguilla',
+  'Antarctica',
+  'Antigua and Barbuda',
+  'Argentina',
+  'Armenia',
+  'Aruba',
+  'Australia',
+  'Austria',
+  'Azerbaijan',
+  'Bahamas (the)',
+  'Bahrain',
+  'Bangladesh',
+  'Barbados',
+  'Belarus',
+  'Belgium',
+  'Belize',
+  'Benin',
+  'Bermuda',
+  'Bhutan',
+  'Bolivia (Plurinational State of)',
+  'Bonaire, Sint Eustatius and Saba',
+  'Bosnia and Herzegovina',
+  'Botswana',
+  'Bouvet Island',
+  'Brazil',
+  'British Indian Ocean Territory (the)',
+  'Brunei Darussalam',
+  'Bulgaria',
+  'Burkina Faso',
+  'Burundi',
+  'Cabo Verde',
+  'Cambodia',
+  'Cameroon',
+  'Canada',
+  'Cayman Islands (the)',
+  'Central African Republic (the)',
+  'Chad',
+  'Chile',
+  'China',
+  'Christmas Island',
+  'Cocos (Keeling) Islands (the)',
+  'Colombia',
+  'Comoros (the)',
+  'Congo (the Democratic Republic of the)',
+  'Congo (the)',
+  'Cook Islands (the)',
+  'Costa Rica',
+  'Croatia',
+  'Cuba',
+  'Curaçao',
+  'Cyprus',
+  'Czechia',
+  "Côte d'Ivoire",
+  'Denmark',
+  'Djibouti',
+  'Dominica',
+  'Dominican Republic (the)',
+  'Ecuador',
+  'Egypt',
+  'El Salvador',
+  'Equatorial Guinea',
+  'Eritrea',
+  'Estonia',
+  'Eswatini',
+  'Ethiopia',
+  'Falkland Islands (the) [Malvinas]',
+  'Faroe Islands (the)',
+  'Fiji',
+  'Finland',
+  'France',
+  'French Guiana',
+  'French Polynesia',
+  'French Southern Territories (the)',
+  'Gabon',
+  'Gambia (the)',
+  'Georgia',
+  'Germany',
+  'Ghana',
+  'Gibraltar',
+  'Greece',
+  'Greenland',
+  'Grenada',
+  'Guadeloupe',
+  'Guam',
+  'Guatemala',
+  'Guernsey',
+  'Guinea',
+  'Guinea-Bissau',
+  'Guyana',
+  'Haiti',
+  'Heard Island and McDonald Islands',
+  'Holy See (the)',
+  'Honduras',
+  'Hong Kong',
+  'Hungary',
+  'Iceland',
+  'India',
+  'Indonesia',
+  'Iran (Islamic Republic of)',
+  'Iraq',
+  'Ireland',
+  'Isle of Man',
+  'Israel',
+  'Italy',
+  'Jamaica',
+  'Japan',
+  'Jersey',
+  'Jordan',
+  'Kazakhstan',
+  'Kenya',
+  'Kiribati',
+  "Korea (the Democratic People's Republic of)",
+  'Korea (the Republic of)',
+  'Kuwait',
+  'Kyrgyzstan',
+  "Lao People's Democratic Republic (the)",
+  'Latvia',
+  'Lebanon',
+  'Lesotho',
+  'Liberia',
+  'Libya',
+  'Liechtenstein',
+  'Lithuania',
+  'Luxembourg',
+  'Macao',
+  'Madagascar',
+  'Malawi',
+  'Malaysia',
+  'Maldives',
+  'Mali',
+  'Malta',
+  'Marshall Islands (the)',
+  'Martinique',
+  'Mauritania',
+  'Mauritius',
+  'Mayotte',
+  'Mexico',
+  'Micronesia (Federated States of)',
+  'Moldova (the Republic of)',
+  'Monaco',
+  'Mongolia',
+  'Montenegro',
+  'Montserrat',
+  'Morocco',
+  'Mozambique',
+  'Myanmar',
+  'Namibia',
+  'Nauru',
+  'Nepal',
+  'Netherlands (the)',
+  'New Caledonia',
+  'New Zealand',
+  'Nicaragua',
+  'Niger (the)',
+  'Nigeria',
+  'Niue',
+  'Norfolk Island',
+  'Northern Mariana Islands (the)',
+  'Norway',
+  'Oman',
+  'Pakistan',
+  'Palau',
+  'Palestine, State of',
+  'Panama',
+  'Papua New Guinea',
+  'Paraguay',
+  'Peru',
+  'Philippines (the)',
+  'Pitcairn',
+  'Poland',
+  'Portugal',
+  'Puerto Rico',
+  'Qatar',
+  'Republic of North Macedonia',
+  'Romania',
+  'Russian Federation (the)',
+  'Rwanda',
+  'Réunion',
+  'Saint Barthélemy',
+  'Saint Helena, Ascension and Tristan da Cunha',
+  'Saint Kitts and Nevis',
+  'Saint Lucia',
+  'Saint Martin (French part)',
+  'Saint Pierre and Miquelon',
+  'Saint Vincent and the Grenadines',
+  'Samoa',
+  'San Marino',
+  'Sao Tome and Principe',
+  'Saudi Arabia',
+  'Senegal',
+  'Serbia',
+  'Seychelles',
+  'Sierra Leone',
+  'Singapore',
+  'Sint Maarten (Dutch part)',
+  'Slovakia',
+  'Slovenia',
+  'Solomon Islands',
+  'Somalia',
+  'South Africa',
+  'South Georgia and the South Sandwich Islands',
+  'South Sudan',
+  'Spain',
+  'Sri Lanka',
+  'Sudan (the)',
+  'Suriname',
+  'Svalbard and Jan Mayen',
+  'Sweden',
+  'Switzerland',
+  'Syrian Arab Republic',
+  'Taiwan',
+  'Tajikistan',
+  'Tanzania, United Republic of',
+  'Thailand',
+  'Timor-Leste',
+  'Togo',
+  'Tokelau',
+  'Tonga',
+  'Trinidad and Tobago',
+  'Tunisia',
+  'Turkey',
+  'Turkmenistan',
+  'Turks and Caicos Islands (the)',
+  'Tuvalu',
+  'Uganda',
+  'Ukraine',
+  'United Arab Emirates (the)',
+  'United Kingdom of Great Britain and Northern Ireland (the)',
+  'United States Minor Outlying Islands (the)',
+  'United States of America (the)',
+  'Uruguay',
+  'Uzbekistan',
+  'Vanuatu',
+  'Venezuela (Bolivarian Republic of)',
+  'Viet Nam',
+  'Virgin Islands (British)',
+  'Virgin Islands (U.S.)',
+  'Wallis and Futuna',
+  'Western Sahara',
+  'Yemen',
+  'Zambia',
+  'Zimbabwe',
+  'Åland Islands',
+]