List of members of the Universal Postal Union
The 192 members of the Universal Postal Union are listed below in alphabetical order, with the date of membership. Members are the Vatican City and the 193 UN members except Andorra, Marshall Islands, the Federated States of Micronesia, and Palau. The newest member is South Sudan, which joined on 4 October 2011.
Before 10 July 1964, states became members of the UPU by ratifying the latest version of the Treaty of Bern. After this date, states become members by ratifying the Constitution of the Universal Postal Union, which incorporated the Treaty of Bern and added provisions to it. Three states which were party to the Treaty of Bern in 1964, and hence members of the UPU, and which have signed but never ratified the Constitution are members of the UPU Dominican Republic, Honduras, Sudan. These states are deemed to have "tacitly ratified" the agreement due to their continued participation in the UPU. Also included as members are two "joint memberships" for dependent territories of the Kingdom of the Netherlands. Dependent territories are not permitted to ratify the UPU Constitution, but because the Treaty of Bern allowed for dependencies to join the UPU, listing these members separately as "Colonies, Protectorates, etc.", the Constitution of the Universal Postal Union grandfathered them when membership was restricted to sovereign states. However, neither the British nor the Dutch entities ratified the Treaty of Bern separate from the ratifications of the United Kingdom and the Kingdom of the Netherlands, respectively.
By virtue of article 23 of the UPU Constitution, other dependencies of UPU member states are covered by its membership. Territories covered by a sovereign member state are listed under that country.
A
- - 1 April 1928
- - 1 March 1922
- - 1 October 1907
- - 1 March 1977
- - 20 January 1994
- - 1 April 1878
- - 14 October 1992
- - 1 October 1907
- *
- - 1 July 1875
- - 1 April 1993
B
- - 24 April 1974
- - 21 December 1973
- - 7 February 1973
- - 11 November 1967
- - 13 May 1947
- - 1 July 1875
- - 1 October 1982
- - 27 April 1961
- - 7 March 1969
- - 1 April 1886
- - 26 January 1993
- - 12 January 1968
- - 1 July 1877
- - 15 January 1985
- British overseas territories - 1 April 1877
- - 1 July 1879
- - 29 March 1963
- - 6 April 1963
C
- - 21 December 1951
- - 26 July 1960
- - 1 July 1878
- - 30 September 1976
- - 28 June 1961
- - 23 June 1961
- - 1 April 1881
- - 1 March 1914
- * - 1 April 1877
- *
- - 1 July 1881
- - 29 July 1976
- - 1 January 1886
- - 5 July 1961
- - 1 January 1883
- - 23 May 1961
- - 20 July 1992
- - 4 October 1902
- - 23 November 1961
- - 18 March 1993
D
- - 1 July 1875
- *
- *
- - 6 June 1978
- - 31 January 1980
- - 1 October 1880
E
- - 1 July 1880
- - 1 July 1875
- - 1 April 1879
- - 24 July 1970
- - 19 August 1993
- - 30 April 1992
- - 7 November 1969
- - 1 November 1908
F
- - 18 June 1971
- - 12 February 1918
- *
- - 1 January 1876
G
- - 17 July 1961
- - 9 October 1974
- - 1 April 1993
- - 1 July 1875
- - 10 October 1957
- - 1 July 1875
- - 30 January 1978
- - 1 August 1881
- - 6 May 1959
- - 30 May 1974
- - 22 March 1967
H
- - 1 July 1881
- - 1 April 1879
- - 1 July 1875
I
- - 15 November 1919
- - 1 July 1876
- - 1 May 1877
- - 1 September 1877
- - 22 April 1929
- - 6 September 1923
- - 24 December 1949
- - 1 July 1875
J
- - 29 August 1963
- - 1 June 1877
- - 16 May 1947
K
- - 27 August 1992
- - 27 October 1964
- - 14 August 1984
- - 6 June 1974
- - 1 January 1900
- - 16 February 1960
- - 26 January 1993
L
- - 20 May 1952
- - 17 June 1992
- - 15 May 1946
- - 6 September 1967
- - 1 April 1879
- - 4 June 1952
- - 13 April 1962
- - 10 January 1992
- - 1 July 1875
M
- - 2 November 1961
- - 25 October 1966
- - 17 January 1958
- - 15 August 1967
- - 21 April 1961
- - 21 May 1965
- - 22 March 1967
- - 29 August 1969
- - 1 April 1879
- - 16 November 1992
- - 12 October 1955
- - 24 August 1963
- - 26 July 2006
- - 1 October 1920
- - 11 October 1978
- - 4 October 1949
N
- - 30 April 1992
- - 17 April 1969
- - 11 October 1956
- - 1 July 1875
- Aruba, Curaçao and Sint Maarten - 1 July 1875
- *
- *
- *
- - 1 October 1907
- *
- *
- *
- - 1 May 1882
- - 12 June 1961
- - 10 July 1961
- - 12 July 1993
- - 1 July 1875
O
- - 17 August 1971
P
- - 10 November 1947
- - 11 June 1904
- - 4 June 1976
- - 1 July 1881
- - 1 April 1879
- - 1 January 1922
- - 1 May 1919
- - 1 July 1875
Q
- - 31 January 1969
R
- - 1 July 1875
- - 1 July 1875
- - 6 April 1963
S
- - 11 January 1988
- - 10 July 1980
- - 3 February 1981
- - 9 August 1989
- - 1 July 1915
- - 22 August 1977
- - 1 January 1927
- - 14 June 1961
- - 18 June 2001
- - 7 October 1977
- - 29 January 1962
- - 8 January 1966
- - 18 March 1993
- - 27 August 1992
- - 4 May 1984
- - 1 April 1959
- - 22 August 1994
- - 4 October 2011
- - 1 July 1875
- - 13 July 1949
- - 28 July 1956
- - 20 April 1976
- - 1 July 1875
- - 1 July 1875
- - 15 May 1946
T
- - 9 June 1994
- - 29 March 1963
- - 1 July 1885
- - 28 November 2003
- - 21 March 1962
- - 26 January 1972
- - 15 June 1963
- - 1 July 1888
- - 1 July 1875
- - 26 January 1993
- - 3 February 1981
U
- - 13 February 1964
- - 13 May 1947
- - 30 March 1973
- - 1 July 1875
- - 1 July 1875
- - 1 July 1880
- - 24 February 1994
V
- - 16 July 1982
- - 1 June 1929
- - 1 January 1880
- - 20 October 1951
Y
- - 1 January 1930
Z
- - 22 March 1967
- - 31 July 1981
Observer states
- - Has special observer status to the UPU since 1999, West Bank mail delivered through Jordan since 2008. From up to 2010 Gaza strip mail was delivered through Israel. On 15 November 2018, the president of the State of Palestine signed documents to accede to the UPU as a full member.
States not participating in UPU activities
- - mail routed through France or Spain.
Entities not participating in UPU activities
- Order of Malta mail routed through Italy and additionally its stamps are accepted by 57 UPU members
States with limited recognition
- mail routed through Ethiopia
- mail routed through Turkey
- mail routed through Serbia
- mail routed through Russia
- mail routed through Russia
- mail routed through Armenia
- mail routed through Moldova
- mail routed through Algeria
- mail routed through Japan and the United States
Former member countries of the UPU
- Kingdom of Hawaii - 1 January 1882 - 14 June 1900
- - 1 January 1898 - 31 May 1902
- - 1 January 1895 - 31 May 1902
- - January 1879 - 1957
- - and the ratified the treaty after Czechoslovakia dissolved in 1993.
- Country ceased to exist 1992
- 1941–1945. Country ceased to exist
- - January 1, 1900 - August 29, 1910
- Country ceased to exist in 1975
- From 1 July 1875 Country ceased to exist in 1990
- Country ceased to exist in 1990