Feature
Participating countries
The countries and international organisations taking part in the Yokohama Expo, as a regional list and country-by-country articles. Basics come from Japan’s Ministry of Foreign Affairs, exhibit details from the Association and each country’s official announcements, and the cultural primer from embassies and tourist boards.
Countries that have announced participation (74)
As of 2026.09.09. The list follows the latest PDF published by the Association (only countries and organisations ready for disclosure). The Ministry of Foreign Affairs page carries the same list.
Asia15
| Country | Participation contract | Exhibit direction (from the Association’s announcement) |
|---|---|---|
| India | 2026.04.06 | Signed the official participation contract on the same day as Luxembourg. |
| Indonesia | Not announced | — |
| Kyrgyz Republic | Not announced | — |
| Thailand | 2025.10.15 | Signed the official participation contract. |
| Republic of Korea | Not announced | — |
| Tajikistan | Not announced | — |
| Turkmenistan | Not announced | — |
| Nepal | Not announced | — |
| Timor-Leste | Not announced | — |
| Philippines | 2026.06.04 | Signed the official participation contract, promising a sustainable future drawn from tropical nature and local wisdom. |
| Bhutan | Not announced | — |
| Viet Nam | Not announced | — |
| Malaysia | Not announced | — |
| Mongolia | Not announced | — |
| Lao PDR | Not announced | — |
Oceania5
| Country | Participation contract | Exhibit direction (from the Association’s announcement) |
|---|---|---|
| Solomon Islands | Not announced | — |
| NauruAdded in the 9 Sept list | Not announced | — |
| Palau | Not announced | — |
| Fiji | Not announced | — |
| Micronesia | Not announced | — |
Europe7
| Country | Participation contract | Exhibit direction (from the Association’s announcement) |
|---|---|---|
| Azerbaijan | Not announced | — |
| Italy | 2026.07.13 | Signed the official participation contract, promising to bring the spirit of the Expo 2025 Italy Pavilion to Yokohama. |
| United Kingdom | 2026.07.31 | Signed the official participation contract. |
| Croatia | Not announced | — |
| Spain | Not announced | — |
| Serbia | Not announced | — |
| Luxembourg | 2026.04.06 | Signed the official participation contract on the same day as India. |
Middle East5
| Country | Participation contract | Exhibit direction (from the Association’s announcement) |
|---|---|---|
| Yemen | Not announced | — |
| Qatar | 2025.05.14 | The first international participant to sign. As host of the previous A1 expo (Doha 2023), Qatar carries its spirit to Yokohama. |
| Syria | Not announced | — |
| Jordan | Not announced | — |
| Lebanon | Not announced | — |
Americas6
| Country | Participation contract | Exhibit direction (from the Association’s announcement) |
|---|---|---|
| United States | 2026.02.06 | The first G7 country to confirm. The exhibit will present the diversity of American plants and public gardens. |
| Ecuador | Not announced | — |
| ColombiaAdded in the 9 Sept list | Not announced | — |
| Haiti | Not announced | — |
| Panama | Not announced | — |
| Bolivia | Not announced | — |
Africa36
| Country | Participation contract | Exhibit direction (from the Association’s announcement) |
|---|---|---|
| Angola | Not announced | — |
| Uganda | Not announced | — |
| Egypt | Not announced | — |
| Eswatini | Not announced | — |
| Ethiopia | Not announced | — |
| Ghana | Not announced | — |
| Cameroon | Not announced | — |
| The Gambia | Not announced | — |
| Guinea | Not announced | — |
| Kenya | Not announced | — |
| Côte d’Ivoire | Not announced | — |
| Comoros | Not announced | — |
| Democratic Republic of the Congo | Not announced | — |
| São Tomé and Príncipe | Not announced | — |
| Djibouti | Not announced | — |
| Zimbabwe | Not announced | — |
| Sudan | Not announced | — |
| Seychelles | Not announced | — |
| Equatorial Guinea | Not announced | — |
| Somalia | Not announced | — |
| Chad | Not announced | — |
| Central African Republic | Not announced | — |
| Togo | Not announced | — |
| Burundi | Not announced | — |
| Benin | Not announced | — |
| Botswana | Not announced | — |
| Madagascar | Not announced | — |
| Malawi | Not announced | — |
| Mali | Not announced | — |
| South Sudan | Not announced | — |
| Mauritania | Not announced | — |
| Mozambique | Not announced | — |
| Morocco | Not announced | — |
| LibyaAdded in the 9 Sept list | Not announced | — |
| Liberia | Not announced | — |
| Lesotho | Not announced | — |
International organisations (5)
| International organisations | Participation contract | Exhibit direction (from the Association’s announcement) |
|---|---|---|
| International Tropical Timber Organization（ITTO） | 2026.03.16 | Signed the official participation contract as an international organisation. Headquartered in Yokohama. |
| International Fund for Agricultural Development（IFAD） | Not announced | — |
| United Nations University（UNU） | Not announced | — |
| UN-Habitat（UN-Habitat） | Not announced | — |
| World Food Programme（WFP） | Not announced | — |
Source: GREEN×EXPO協会（PDF, 2026.9.9） / 外務省（2026.9.7）
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Chart: trip-jp editors, from the Association's event list of 15 September 2026
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©Expo 2027 (GREEN×EXPO Association press release, 6 February 2026)
GREEN×EXPO 2027: The 15 Participating Countries from Asia
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©Expo 2027 (GREEN×EXPO Association press release, 4 June 2026)
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©Expo 2027 (GREEN×EXPO Association press release, 31 July 2026)
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©Expo 2027 (GREEN×EXPO Association press release, 14 May 2025)
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©Expo 2027 (GREEN×EXPO Association press release, 6 April 2026)
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©Expo 2027 (GREEN×EXPO Association press release, 13 July 2026)
GREEN×EXPO 2027 country guide to Luxembourg: facts, official exhibit plans and a cultural primer
Luxembourg signed its GREEN×EXPO 2027 participation contract in February 2026. Facts, exhibit plans and tourism-board background in one guide.
©Expo 2027 (GREEN×EXPO Association press release, 6 April 2026)
GREEN×EXPO 2027 Country Profile: The Philippines and its "Bukás" Theme
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©Expo 2027 (GREEN×EXPO Association press release, 4 June 2026)
GREEN×EXPO 2027 Qatar: the first official participation contract and the legacy of Doha 2023
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©Expo 2027 (GREEN×EXPO Association press release, 14 May 2025)
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©Expo 2027 (GREEN×EXPO Association press release, 15 October 2025)
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