Going by age , these are the exact dates of all the country’s independence (current day countries).
| Country | Date of Independence | Age
(by years) |
| Japan | 660 BCE | 2,676 |
| China | 221 BCE | 2,237 |
| San Marino | 301 | 1,715 |
| France | 843 | 1,173 |
| Austria | 976 | 1,040 |
| Ethiopia | 980 | 1,036 |
| Denmark | June 5, 1000 | 1,016 |
| Hungary | August 20, 1001 | 1,015 |
| Portugal | June 24, 1128 | 888 |
| Thailand | December 5, 1238 | 777 |
| Switzerland | August 1, 1291 | 725 |
| Spain | October 12, 1492 | 524 |
| Sweden | June 6, 1523 | 493 |
| Holland (Netherlands) | January 23, 1579 | 437 |
| Oman | 1650 | 366 |
| United Kingdom | May 1, 1707 | 309 |
| Liechtenstein | January 23, 1719 | 297 |
| Nepal | 1768 | 248 |
| The United States | July 4, 1776 | 240 |
| Haiti | January 1, 1804 | 212 |
| Colombia | July 20, 1810 | 206 |
| Mexico | September 16, 1810 | 206 |
| Chile | September 18, 1810 | 206 |
| Paraguay | May 14, 1811 | 205 |
| Venezuela | July 5, 1811 | 205 |
| Luxembourg | June 9, 1815 | 201 |
| Argentina | July 9, 1816 | 200 |
| Peru | July 28, 1821 | 195 |
| Costa Rica
El Salvador Guatemala Honduras Nicaragua
|
September 15, 1821 | 195 |
| Ecuador | May 24, 1822 | 194 |
| Brazil | September 7, 1822 | 194 |
| Bolivia | August 6, 1825 | 191 |
| Uruguay | August 25, 1825 | 191 |
| Greece | February 3, 1829 | 187 |
| Belgium | October 4, 1830 | 186 |
| Dominican Republic | February 27, 1844 | 172 |
| Liberia | July 26, 1847 | 169 |
| Monaco | 1861 | 155 |
| Italy | March 17, 1861 | 155 |
| Canada | July 1, 1867 | 149 |
| Germany | January 18, 1871 | 145 |
| Romania | May 9, 1877 | 139 |
| Bulgaria | March 3, 1878 | 138 |
| The Philippines | June 12, 1898 | 118 |
| Australia | January 1, 1901 | 115 |
| Cuba | May 20, 1902 | 114 |
| Panama | November 3, 1903 | 113 |
| Norway | June 7, 1905 | 101 |
| New Zealand | September 26, 1907 | 109 |
| South Africa | May 31, 1910 | 106 |
| Albania | November 28, 1912 | 104 |
| Finland | December 6, 1917 | 99 |
| Estonia | February 24, 1918 | 98 |
| Poland | November 11, 1918 | 98 |
| Iceland | December 1, 1918 | 98 |
| Afghanistan | August 19, 1919 | 97 |
| Ireland | December 6, 1921 | 95 |
| Turkey | October 29, 1923 | 93 |
| Vatican City | February 11, 1929 | 87 |
| Saudi Arabia | September 23, 1932 | 84 |
| Iraq | October 3, 1932 | 84 |
| Lebanon | November 22, 1943 | 73 |
| North Korea
South Korea |
August 15, 1945 | 71 |
| Indonesia | August 17, 1945 | 71 |
| Vietnam | September 2, 1945 | 71 |
| Syria | April 17, 1946 | 70 |
| Jordan | May 25, 1946 | 70 |
| Pakistan | August 14, 1947 | 69 |
| India | August 15, 1947 | 69 |
| Myanmar | January 4, 1948 | 68 |
| Sri Lanka | February 4, 1948 | 68 |
| Israel | March 14, 1948 | 68 |
| Laos | July 19, 1949 | 67 |
| Bhutan | August 8, 1949 | 67 |
| Libya | December 24, 1951 | 65 |
| Egypt | June 18, 1953 | 63 |
| Cambodia | November 9, 1953 | 63 |
| Sudan | January 1, 1956 | 60 |
| Morocco | March 2, 1956 | 60 |
| Tunisia | March 20, 1956 | 60 |
| Ghana | March 6, 1957 | 59 |
| Malaysia | August 31, 1957 | 59 |
| Guinea | October 2, 1958 | 58 |
| Cameroon | January 1, 1960 | 56 |
| Senegal | April 4, 1960 | 56 |
| Togo | May 27, 1960 | 56 |
| Republic of the Congo | June 30, 1960 | 56 |
| Somalia | July 1, 1960 | 56 |
| Madagascar | July 20, 1960 | 56 |
| Benin | August 1, 1960 | 56 |
| Niger | August 3, 1960 | 56 |
| Burkina Faso | August 5, 1960 | 56 |
| Ivory Coast
(Cote d’Ivorie) |
August 7, 1960 | 56 |
| Chad | August 11, 1960 | 56 |
| Central African Republic | August 13, 1960 | 56 |
| The Democratic Republic of the Congo | August 15, 1960 | 56 |
| Cyprus | August 16, 1960 | 56 |
| Gabon | August 17, 1960 | 56 |
| Mali | September 22, 1960 | 56 |
| Nigeria | October 1, 1960 | 56 |
| Mauritania | November 28, 1960 | 56 |
| Sierra Leone | April 27, 1961 | 55 |
| Kuwait | June 19, 1961 | 55 |
| Samoa | January 1, 1962 | 54 |
| Burundi
Rwanda |
July 1, 1962 | 54 |
| Algeria | July 5, 1962 | 54 |
| Jamaica | August 5, 1962 | 54 |
| Trinidad and Tobago | August 31, 1962 | 54 |
| Uganda | October 9, 1962 | 54 |
| Kenya | December 12, 1963 | 52 |
| Tanzania | April 26, 1964 | 52 |
| Malawi | July 6, 1964 | 52 |
| Malta | September 21, 1964 | 52 |
| Zambia | October 24, 1964 | 52 |
| Gambia | February 18, 1965 | 51 |
| The Maldives | July 26, 1965 | 51 |
| Singapore | August 9, 1965 | 51 |
| Guyana | May 26, 1966 | 50 |
| Botswana | September 30, 1966 | 50 |
| Lesotho | October 4, 1966 | 50 |
| Barbados | November 30, 1966 | 49 |
| Nauru | January 31, 1968 | 48 |
| Mauritius | March 12, 1968 | 48 |
| Swaziland | September 6, 1968 | 48 |
| Equatorial Guinea | October 12, 1968 | 48 |
| Tonga | June 4, 1970 | 46 |
| Fiji | October 10, 1970 | 46 |
| Bangladesh | March 26, 1971 | 45 |
| Bahrain | August 15, 1971 | 45 |
| Qatar | September 3, 1971 | 45 |
| The United Arab Emirates | November 2, 1971 | 45 |
| The Bahamas | July 10, 1973 | 43 |
| Guinea-Bissau | September 24, 1973 | 43 |
| Grenada | February 7, 1974 | 42 |
| Mozambique | June 25, 1975 | 41 |
| Cape Verde | July 5, 1975 | 41 |
| Comoros | July 6, 1975 | 41 |
| Sao Tome and Principe | July 12, 1975 | 41 |
| Papua New Guinea | September 16, 1975 | 41 |
| Angola | November 11, 1975 | 41 |
| Suriname | November 25, 1975 | 41 |
| Seychelles | June 29, 1976 | 40 |
| Djibouti | June 27, 1977 | 39 |
| Solomon Islands | July 7, 1978 | 38 |
| Tuvalu | October 1, 1978 | 38 |
| Dominica | November 3, 1978 | 38 |
| Saint Lucia | February 22, 1979 | 37 |
| Kiribati | July 12, 1979 | 37 |
| Saint Vincent and the Grenadines | October 27, 1979 | 37 |
| Zimbabwe | April 18, 1980 | 36 |
| Vanuatu | July 30, 1980 | 36 |
| Antigua and Barbuda | January 11, 1981 | 35 |
| Belize | September 21, 1981 | 35 |
| Saint Kitts and Nevis | September 19, 1983 | 33 |
| Brunei | January 1, 1984 | 32 |
| Marshall Islands | October 21, 1986 | 30 |
| Micronesia | November 3, 1986 | 30 |
| Lithuania | March 11, 1990 | 26 |
| Namibia | March 21, 1990 | 26 |
| Yemen | May 22, 1990 | 26 |
| Georgia | April 9, 1991 | 25 |
| Croatia
Slovenia |
June 25, 1991 | 25 |
| Kyrgyzstan | August 21, 1991 | 25 |
| Russia | August 24, 1991 | 25 |
| Belarus | August 25, 1991 | 25 |
| Moldova | August 27, 1991 | 25 |
| Azerbaijan | August 30, 1991 | 25 |
| Uzbekistan | September 1, 1991 | 25 |
| Latvia | September 6, 1991 | 25 |
| Macedonia | September 8, 1991 | 25 |
| Tajikistan | September 9, 1991 | 25 |
| Armenia | September 21, 1991 | 25 |
| Turkmenistan | October 27, 1991 | 25 |
| Ukraine | November 24, 1991 | 25 |
| Kazakhstan | December 16, 1991 | 24 |
| Bosnia and Herzegovina | March 3, 1992 | 24 |
| Czech Republic
Slovakia |
January 1, 1993 | 23 |
| Eritrea | May 24, 1993 | 23 |
| Palau | October 1, 1994 | 22 |
| East Timor | May 20, 2002 | 14 |
| Montenegro | June 3, 2006 | 10 |
| Serbia | June 5, 2006 | 10 |
| Kosovo | February 17, 2008 | 8 |
| South Sudan | July 9, 2011 | 5 |