U.N countries

Many people keep track of the number of countries they have visited.
But when does a country count?
Typically there are three possible ways of counting countries.
The first one is ultra minimalitic and easiest to get by: even a port of call (cruise) or scheduled stop(over) at an airport is already sufficient to add the country to your list. Using these criteria  even putting one foot into another country without going through immigration counts.
The second one has still minimal requirements: you must go through immigration and customs but that is sufficient and no real stay in or visit of the country is required. 
The third one is a ‘valid’ or ‘good’ visit whereby you not only have to go through immigration and customs with the necessary visa but also should properly visit the country, see at least one highlight and have a story to tell. about it.”
The third way of counting countries is used by us.”

FlagMember stateDate of admission
Afghanistan
Afghanistan19 November 1946
Albania
Albania14 December 1955
Algeria
Algeria8 October 1962
Andorra
Andorra28 July 1993
Angola
Angola1 December 1976
Antigua and Barbuda
Antigua and Barbuda11 November 1981
Argentina
Argentina24 October 1945
Armenia
Armenia2 March 1992
Australia
Australia1 November 1945
Austria
Austria14 December 1955
Azerbaijan
Azerbaijan2 March 1992
The Bahamas
Bahamas18 September 1973
Bahrain
Bahrain21 September 1971
Bangladesh
Bangladesh17 September 1974
Barbados
Barbados9 December 1966
Belarus
Belarus24 October 1945
Belgium
Belgium27 December 1945
Belize
Belize25 September 1981
Benin
Benin20 September 1960
Bhutan
Bhutan21 September 1971
Bolivia
Plurinational State of Bolivia14 November 1945
Bosnia and Herzegovina
Bosnia and Herzegovina22 May 1992
Botswana
Botswana17 October 1966
Brazil
Brazil24 October 1945
Brunei
Brunei Darussalam21 September 1984
Bulgaria
Bulgaria14 December 1955
Burkina Faso
Burkina Faso20 September 1960
Burundi
Burundi18 September 1962
Cape Verde
Cabo Verde16 September 1975
Cambodia
Cambodia
Cameroon
Cameroon20 September 1960
Canada
Canada9 November 1945
Central African Republic
Central African Republic20 September 1960
Chad
Chad
Chile
Chile24 October 1945
China
China24 October 1945
Colombia
Colombia5 November 1945
Comoros
Comoros12 November 1975
Republic of the Congo
Congo20 September 1960
Costa Rica
Costa Rica2 November 1945
Ivory Coast
Côte d'Ivoire20 September 1960
Croatia
Croatia22 May 1992
Cuba
Cuba24 October 1945
Cyprus
Cyprus20 September 1960
Czech Republic
Czech Republic19 January 1993
North Korea
Democratic People's Republic of Korea17 September 1991
Democratic Republic of the Congo
Democratic Republic of the Congo20 September 1960
Denmark
Denmark24 October 1945
Djibouti
Djibouti20 September 1977
Dominica
Dominica18 December 1978
Dominican Republic
Dominican Republic24 October 1945
Ecuador
Ecuador21 December 1945
Egypt
Egypt24 October 1945
El Salvador
El Salvador24 October 1945
Equatorial Guinea
Equatorial Guinea12 November 1968
Eritrea
Eritrea28 May 1993
Estonia
Estonia17 September 1991
Eswatini
Eswatini24 September 1968
Ethiopia
Ethiopia13 November 1945
Fiji
Fiji13 October 1970
Finland
Finland14 December 1955
France
France24 October 1945
Gabon
Gabon20 September 1960
The Gambia
Republic of The Gambia21 September 1965
Georgia (country)
Georgia31 July 1992
Germany
Germany18 September 1973
Ghana
Ghana8 March 1957
Greece
Greece25 October 1945
Grenada
Grenada17 September 1974
Guatemala
Guatemala21 November 1945
Guinea
Guinea12 December 1958
Guinea-Bissau
Guinea-Bissau17 September 1974
Guyana
Guyana20 September 1966
Haiti
Haiti24 October 1945
Honduras
Honduras17 December 1945
Hungary
Hungary14 December 1955
Iceland
Iceland19 November 1946
India
India30 October 1945
Indonesia
Indonesia28 September 1950
Iran
Islamic Republic of Iran24 October 1945
Iraq
Iraq21 December 1945
Republic of Ireland
Ireland14 December 1955
Israel
Israel11 May 1949
Italy
Italy14 December 1955
Jamaica
Jamaica18 September 1962
Japan
Japan18 December 1956
Jordan
Jordan14 December 1955
Kazakhstan
Kazakhstan2 March 1992
Kenya
Kenya16 December 1963
Kiribati
Kiribati14 September 1999
Kuwait
Kuwait14 May 1963
Kyrgyzstan
Kyrgyzstan2 March 1992
Laos
Lao People's Democratic Republic14 December 1955
Latvia
Latvia17 September 1991
Lebanon
Lebanon24 October 1945
Lesotho
Lesotho17 October 1966
Liberia
Liberia2 November 1945
Libya
Libya14 December 1955
Liechtenstein
Liechtenstein18 September 1990
Lithuania
Lithuania17 September 1991
Luxembourg
Luxembourg24 October 1945
Madagascar
Madagascar20 September 1960
Malawi
Malawi1 December 1964
Malaysia
Malaysia17 September 1957
Maldives
Maldives21 September 1965
Mali
Mali28 September 1960
Malta
Malta1 December 1964
Marshall Islands
Marshall Islands17 September 1991
Mauritania
Mauritania27 October 1961
Mauritius
Mauritius24 April 1968
Mexico
Mexico7 November 1945
Federated States of Micronesia
Federated States of Micronesia17 September 1991
Monaco
Monaco28 May 1993
Mongolia
Mongolia27 October 1961
Montenegro
Montenegro28 June 2006
Morocco
Morocco12 November 1956
Mozambique
Mozambique16 September 1975
Myanmar
Myanmar19 April 1948
Namibia
Namibia23 April 1990
Nauru
Nauru14 September 1999
Nepal
Nepal14 December 1955
Kingdom of the Netherlands
Netherlands10 December 1945
New Zealand
New Zealand24 October 1945
Nicaragua
Nicaragua24 October 1945
Niger
Niger20 September 1960
Nigeria
Nigeria7 October 1960
North Macedonia
North Macedonia8 April 1993
Norway
Norway27 November 1945
Oman
Oman7 October 1971
Pakistan
Pakistan30 September 1947
Palau
Palau15 December 1994
Panama
Panama13 November 1945
Papua New Guinea
Papua New Guinea10 October 1975
Paraguay
Paraguay24 October 1945
Peru
Peru31 October 1945
Philippines
Philippines24 October 1945
Poland
Poland24 October 1945
Portugal
Portugal14 December 1955
Qatar
Qatar
South Korea
Republic of Korea17 September 1991
Moldova
Republic of Moldova2 March 1992
Romania
Romania14 December 1955
Russia
Russian Federation24 October 1945
Rwanda
Rwanda18 September 1962
Saint Kitts and Nevis
Saint Kitts and Nevis23 September 1983
Saint Lucia
Saint Lucia18 September 1979
Saint Vincent and the Grenadines
Saint Vincent and the Grenadines16 September 1980
Samoa
Samoa15 December 1976
San Marino
San Marino2 March 1992
São Tomé and Príncipe
São Tomé and Príncipe16 September 1975
Saudi Arabia
Saudi Arabia24 October 1945
Senegal
Senegal28 September 1960
Serbia
Serbia1 November 2000
Seychelles
Seychelles21 September 1976
Sierra Leone
Sierra Leone27 September 1961
Singapore
Singapore21 September 1965
Slovakia
Slovakia19 January 1993
Slovenia
Slovenia22 May 1992
Solomon Islands
Solomon Islands19 September 1978
Somalia
Somalia20 September 1960
South Africa
South Africa7 November 1945
South Sudan
South Sudan14 July 2011
Spain
Spain14 December 1955
Sri Lanka
Sri Lanka14 December 1955
Sudan
Sudan12 November 1956
Suriname
Suriname4 December 1975
Sweden
Sweden19 November 1946
Switzerland
Switzerland10 September 2002
Syria
Syrian Arab Republic24 October 1945
Tajikistan
Tajikistan2 March 1992
Thailand
Thailand16 December 1946
East Timor
Timor-Leste27 September 2002
Togo
Togo20 September 1960
Tonga
Tonga14 September 1999
Trinidad and Tobago
Trinidad and Tobago18 September 1962
Tunisia
Tunisia12 November 1956
Turkey
Turkey24 October 1945
Turkmenistan
Turkmenistan2 March 1992
Tuvalu
Tuvalu5 September 2000
Uganda
Uganda25 October 1962
Ukraine
Ukraine24 October 1945
United Arab Emirates
United Arab Emirates9 December 1971
United Kingdom
United Kingdom of Great Britain and Northern Ireland24 October 1945
Tanzania
United Republic of Tanzania14 December 1961
United States
United States of America24 October 1945
Uruguay
Uruguay18 December 1945
Uzbekistan
Uzbekistan2 March 1992
Vanuatu
Vanuatu15 September 1981
Venezuela
Bolivarian Republic of Venezuela15 November 1945
Vietnam
Vietnam20 September 1977
Yemen
Yemen30 September 1947
Zambia
Zambia1 December 1964
Zimbabwe
Zimbabwe25 August 1980