When each nation joined the UN

Established after World War II, the UN has grown from 51 members in 1945 to 193 today, with two non-member observers: Palestine and the Holy See.

Established after World War II, the UN has grown from 51 members in 1945 to 193 today, with two non-member observers: Palestine and the Holy See.

(Please use a modern browser to see the interactive version of this visualization)

Click on the "Date of admission" column to sort by date

Source: United Nations | September 22, 2025