If you have ever needed to use a birth certificate, diploma, or power of attorney in another country, you have likely encountered the term "apostille." The Hague Apostille Convention—formally the Convention of 5 October 1961 Abolishing the Requirement of Legalisation for Foreign Public Documents—is the international treaty that created this streamlined authentication system. Before this treaty existed, sending a document abroad required a slow, expensive chain of authentications involving multiple government offices and foreign embassies. The Convention replaced that cumbersome process with a single, standardized certificate. Today, over 125 countries participate in this system, making it one of the most widely applied multilateral treaties in the area of legal cooperation. Understanding which countries are members is not just a matter of curiosity—it determines whether your document needs a simple apostille or a costly, time-consuming legalisation process.
Core principle: An apostille issued in one member country is automatically recognized by all other member countries. No further embassy legalisation or consular authentication is required. If your destination country is not on the list, you cannot use an apostille—you must go through the full legalisation chain.
Why the Country List Matters for Your Documents
The membership status of your destination country is the single most important factor in determining your document authentication pathway. This decision affects your timeline, budget, and the complexity of the entire process.
- If both countries are members: You need only an apostille from the competent authority in the country where the document was issued. This is a one-step process that typically takes 1–3 weeks and costs $5–$75 per document.
- If either country is not a member: You cannot use an apostille. You must complete the full legalisation (or attestation) process, which involves multiple steps: notarization (if private), state or federal authentication, and finally embassy or consulate legalisation from the destination country. This can take 6–12 weeks and cost several hundred dollars per document.
- If the destination country joins after you start the process: The effective date matters more than the accession date. For example, Vietnam acceded in December 2025 but the Convention only enters into force on September 11, 2026. Documents destined for Vietnam before that date still require full legalisation.
Always verify the current membership status on the official HCCH website (hcch.net) before beginning any authentication process. Membership changes periodically—Thailand acceded on June 30, 2026, and will become effective on February 28, 2027.
Complete Hague Apostille Convention Member List (2026)
As of August 1, 2026, the Apostille Convention has 130 Contracting Parties. The list below includes all member countries as of this date. Note that Algeria (effective July 9, 2026) and Vietnam (effective September 11, 2026) are now or will shortly be members. Thailand will join on February 28, 2027.
| Country | Country | Country |
|---|---|---|
| Albania | Estonia | Norway |
| Algeria (effective 9 July 2026) | Eswatini | Oman |
| Andorra | Fiji | Pakistan |
| Antigua and Barbuda | Finland | Palau |
| Argentina | France | Panama |
| Armenia | Georgia | Paraguay |
| Australia | Germany | Peru |
| Austria | Greece | Philippines |
| Azerbaijan | Grenada | Poland |
| Bahamas | Guatemala | Portugal |
| Bahrain | Guyana | Romania |
| Bangladesh | Honduras | Russian Federation |
| Barbados | Hungary | Rwanda |
| Belarus | Iceland | Saint Kitts and Nevis |
| Belgium | India | Saint Lucia |
| Belize | Indonesia | Saint Vincent & Grenadines |
| Bolivia | Ireland | Samoa |
| Bosnia and Herzegovina | Israel | San Marino |
| Botswana | Italy | São Tomé and Príncipe |
| Brazil | Jamaica | Saudi Arabia |
| Brunei | Japan | Senegal |
| Bulgaria | Kazakhstan | Serbia |
| Burundi | Kosovo | Seychelles |
| Cabo Verde | Kyrgyzstan | Singapore |
| Canada | Latvia | Slovakia |
| Chile | Lesotho | Slovenia |
| China (People's Republic) | Liberia | South Africa |
| Colombia | Liechtenstein | South Korea |
| Cook Islands | Lithuania | Spain |
| Costa Rica | Luxembourg | Suriname |
| Croatia | Malawi | Sweden |
| Cyprus | Malta | Switzerland |
| Czech Republic | Marshall Islands | Tajikistan |
| Denmark | Mauritius | Thailand (effective 28 Feb 2027) |
| Dominica | Mexico | Tonga |
| Dominican Republic | Moldova | Trinidad and Tobago |
| Ecuador | Monaco | Tunisia |
| El Salvador | Mongolia | Turkey |
| Eswatini (formerly Swaziland) | Montenegro | Ukraine |
| Morocco | United Kingdom | |
| Namibia | United States | |
| Netherlands | Uruguay | |
| New Zealand | Uzbekistan | |
| Nicaragua | Vanuatu | |
| Niue | Vietnam (effective 11 Sep 2026) | |
| North Macedonia |
Note: China (People's Republic) joined in November 2023. Canada joined in January 2024. Saudi Arabia joined in 2022. The Convention applies to the United Kingdom, all European Union member states, and most of Latin America.
Recent Accessions in 2025–2027: What You Need to Know
The Apostille Convention continues to expand. Several major countries have joined or will join in the near future, significantly impacting document authentication for millions of people.
- Algeria deposited its instrument of accession on November 5, 2025. The Convention entered into force for Algeria on July 9, 2026. This means that as of August 2026, documents destined for Algeria can now use an apostille instead of the previous legalisation process.
- Vietnam deposited its instrument of accession on December 31, 2025. The Convention will enter into force for Vietnam on September 11, 2026. Vietnam has designated the Ministry of Foreign Affairs and the Department of Foreign Affairs in Ho Chi Minh City as competent authorities to issue apostilles. The system is scheduled to become fully operational before September 11, 2026.
- Thailand acceded to the Convention on June 30, 2026. It will enter into force for Thailand on February 28, 2027. Thailand has been an HCCH member since 2021.
For practical purposes, the effective date is what matters—not the accession date. A document destined for Vietnam on September 10, 2026, still requires full legalisation. On September 11, 2026, an apostille becomes sufficient.
What If Your Destination Country Is Not on the List?
If the country where you need to use your document is not a party to the Apostille Convention, you cannot use an apostille. You must complete the full legalisation (often called attestation or consular legalisation) process. This involves a multi-step chain:
- Notarization (if the document is private).
- State or county authentication (for state-issued documents).
- Federal authentication (for federal documents or to verify state seals).
- Embassy or consulate legalisation from the destination country.
This process is significantly more expensive—often $200–$600 per document—and takes much longer, typically 6–12 weeks. Major non-member countries as of August 2026 include Iraq, Cambodia, and most Gulf states (though the UAE joined in 2024). Other notable non-members include Sri Lanka, Bangladesh (which joined in March 2025), and Pakistan (which joined in March 2023)—always check the current list.
Frequently Asked Questions
Q: How many countries are in the Hague Apostille Convention as of 2026?
A: As of August 1, 2026, there are 130 Contracting Parties. This includes Algeria (effective July 9, 2026) and Vietnam (effective September 11, 2026). Thailand will join on February 28, 2027, bringing the total to 131.
Q: Is China a member of the Hague Apostille Convention?
A: Yes. The People's Republic of China joined the Convention in November 2023. This includes mainland China but note that Hong Kong and Macau have their own separate status—Hong Kong has been a party since 1965 (with continued application after the handover), and Macau since 1970.
Q: Is the United States a member?
A: Yes. The United States has been a party to the Apostille Convention since 1981. U.S. documents can be apostilled by state Secretaries of State (for state documents) or the U.S. Department of State (for federal documents).
Q: What about the United Kingdom—is it still a member after Brexit?
A: Yes. The United Kingdom remains a party to the Apostille Convention. Brexit did not affect its participation. The FCDO Legalisation Office continues to issue apostilles for U.K. documents.
Q: Is Vietnam part of the Convention yet?
A: Vietnam acceded on December 31, 2025, but the Convention enters into force on September 11, 2026. Until that date, documents destined for Vietnam still require the full legalisation process. After September 11, 2026, an apostille will be sufficient.
Q: Where can I find the official, up-to-date list of member countries?
A: The Hague Conference on Private International Law (HCCH) maintains the official status table at hcch.net under the Apostille Section. This is the only authoritative source—always verify there rather than relying on third-party lists.