State	Date ratified
None (see Constitution of Afghanistan)	15-Aug-21
Constitution of Albania	28-Nov-98
Constitution of Algeria	08-Dec-96
Constitution of Andorra	02-Feb-93
Constitution of Angola	21-Jan-10
Constitution of Antigua and Barbuda	31-Oct-81
Constitution of Argentina	May 1, 1853
Constitution of Armenia	05-Jul-95
Constitution of Australia	01-Jan-01
Constitution of Austria	01-Oct-20
Constitution of Azerbaijan	12-Nov-95
Law of the Bahamas	1973
Constitution of Bahrain	14-Feb-02
Constitution of Bangladesh	04-Nov-72
Constitution of Barbados	30-Nov-66
Constitution of Belarus	15-Mar-94
Constitution of Belgium	February 7, 1831
Constitution of Belize	21-Sep-81
Constitution of Benin	02-Dec-90
Constitution of Bhutan	18-Jul-08
Constitution of Bolivia	07-Feb-09
Constitution of Bosnia and Herzegovina	14-Dec-95
Constitution of Botswana	30-Sep-66
Constitution of Brazil	05-Oct-88
Constitution of Brunei	1959
Constitution of Bulgaria	12-Jul-91
Constitution of Burkina Faso	11-Jun-91
Constitution of Burundi	09-Mar-92
Constitution of Cambodia	1993
Constitution of Cameroon	18-Jan-96
Constitution of Cape Verde	1992
Constitution of the Central African Republic	27-Mar-16
Constitution of Chad	31-Mar-96
Constitution of Chile	11-Sep-80
Constitution of China	04-Dec-82
Constitution of Colombia	04-Jul-91
Constitution of the Comoros	23-Dec-01
Constitution of the Republic of the Congo	2001
Constitution of the Democratic Republic of the Congo	18-Feb-06
Politics of the Cook Islands
Constitution of Costa Rica	07-Nov-49
Constitution of Croatia	22-Dec-90
Constitution of Cuba	10-Apr-19
Constitution of Cyprus	16-Aug-60
Constitution of the Czech Republic	16-Dec-92
Constitution of Denmark	May 25, 1849
Constitution of Djibouti	15-Sep-92
Constitution of Dominica	1978
Constitution of the Dominican Republic	26-Jan-10
Constitution of Ecuador	20-Oct-08
Constitution of Egypt	18-Jan-14
Constitution of El Salvador	20-Dec-83
Constitution of Equatorial Guinea	17-Nov-91
Constitution of Eritrea	23-May-97
Constitution of Estonia	28-Jun-92
Constitution of Eswatini	2005
Constitution of Ethiopia	21-Aug-95
Constitution of Fiji	06-Sep-13
Constitution of Finland	01-Mar-00
Constitution of France	04-Oct-58
Constitution of Gabon	1991
Constitution of the Gambia	16-Jan-97
Constitution of Georgia (country)	24-Aug-95
Basic Law for the Federal Republic of Germany	08-May-49
Constitution of Ghana	28-Apr-92
Constitution of Greece	11-Jun-75
Politics of Grenada	1991
Constitution of Guatemala	14-Jan-86
Constitution of Guinea	07-May-10
Constitution of Guinea-Bissau	06-May-84
Constitution of Guyana	06-Oct-80
Constitution of Haiti	20-Jun-12
Constitution of Honduras	20-Jan-82
Constitution of Hungary	18-Apr-11
Constitution of Iceland	17-Jun-44
Constitution of India	26-Nov-49
Constitution of Indonesia	18-Aug-45
Constitution of the Islamic Republic of Iran	03-Dec-79
Constitution of Iraq	15-Oct-05
Constitution of Ireland	29-Dec-37
Constitution of Italy	22-Dec-47
Constitution of Ivory Coast	08-Nov-16
Constitution of Jamaica	01-Jan-62
Constitution of Japan	February 11, 1889[a]
Constitution of Jordan	11-Jan-52
Constitution of Kazakhstan	30-Aug-95
Constitution of Kenya	27-Aug-10
Constitution of Kiribati	1979
Constitution of North Korea	25-Dec-72
Constitution of the Republic of Korea	17-Jul-48
Constitution of Kuwait	11-Nov-62
Constitution of Kyrgyzstan	27-Jun-10
Constitution of Laos	14-Aug-91
Constitution of Latvia	07-Nov-22
Constitution of Lebanon	23-May-26
Constitution of Lesotho	1993
Constitution of Liberia	06-Jan-86
Constitution of Liechtenstein	05-Oct-21
Constitution of Lithuania	25-Oct-92
Constitution of Luxembourg	October 17, 1868
Libyan interim Constitutional Declaration	03-Aug-11
Constitution of Madagascar	14-Nov-10
Constitution of Malawi	16-May-94
Constitution of Malaysia	27-Aug-57
Constitution of the Maldives	07-Aug-08
Constitution of Mali	12-Jan-92
Constitution of Malta	21-Sep-64
Constitution of the Marshall Islands	1979
Constitution of Mauritania	12-Jul-91
Constitution of Mauritius	12-Mar-68
Constitution of Mexico	05-Feb-17
Constitution of the Federated States of Micronesia	01-Oct-78
Constitution of Moldova	29-Jul-94
Constitution of Monaco	17-Dec-62
Constitution of Mongolia	13-Jan-92
Constitution of Montenegro	19-Oct-07
Constitution of Morocco	14-Dec-62
Constitution of Mozambique	21-Dec-04
Constitution of Myanmar	29-May-08
Constitution of Namibia	09-Feb-90
Constitution of Nauru	31-Jan-68
Constitution of Nepal	20-Sep-15
Constitution of the Netherlands[2]	August 24, 1815[3][b]
Constitution of Nicaragua	01-Jan-87
Constitution of Niger	25-Nov-10
Constitution of Nigeria	29-May-99
Constitution of North Macedonia	17-Nov-91
Constitution of Norway	May 17, 1814
Basic Statute of Oman	November 6, 1996[4]
Constitution of Pakistan	14-Aug-73
Constitution of Palau	09-Jul-80
Palestinian National Covenant	28-May-64
Constitution of Panama	11-Oct-72
Constitution of Papua New Guinea	16-Sep-75
Constitution of Paraguay	20-Jun-92
Constitution of Peru	31-Dec-93
Constitution of the Philippines	02-Feb-87
Constitution of Poland	02-Apr-97
Constitution of Portugal	25-Apr-76
Constitution of Qatar	09-Apr-04
Constitution of Romania	21-Nov-91
Constitution of Russia	12-Dec-93
Constitution of Rwanda	26-May-03
Constitution of Saint Kitts and Nevis	23-Jun-83
Constitution of Saint Lucia	1978
Politics of Saint Vincent and the Grenadines	1979
Constitution of Samoa	28-Oct-60
Constitution of São Tomé and Príncipe	05-Nov-75
Basic Law of Saudi Arabia	01-Mar-92
Constitution of Senegal	01-Jan-01
Constitution of Serbia	08-Nov-06
Constitution of Seychelles	1993
Constitution of Sierra Leone	1996
Constitution of Singapore	09-Aug-65
Constitution of Slovakia	01-Oct-92
Constitution of Slovenia	23-Dec-91
Constitution of Solomon Islands	31-May-78
Constitution of Somalia	01-Aug-12
Constitution of South Africa	04-Feb-97
Constitution of South Sudan	09-Jul-11
Constitution of Spain	06-Dec-78
Constitution of Sri Lanka	07-Sep-78
Constitution of Sudan	04-Aug-19
Constitution of Suriname	30-Sep-87
Swiss Federal Constitution	18-Apr-99
Interim Constitution of Syria	13-Mar-25
Constitution of Tajikistan	06-Nov-94
Constitution of Tanzania	25-Apr-77
Constitution of Thailand	06-Apr-17
Constitution of Timor-Leste	20-May-02
Constitution of Togo	06-May-24
Constitution of Tonga	November 4, 1875
Politics of Trinidad and Tobago[5][6]	29-Mar-76
Constitution of Tunisia	26-Jan-14
Constitution of Turkey	07-Nov-82
Constitution of Turkmenistan	18-May-92
Constitution of Tuvalu	1986
Constitution of Uganda	08-Oct-95
Constitution of Ukraine	28-Jun-96
Constitution of the United States	June 21, 1788
Constitution of the United Arab Emirates	02-Dec-71
Constitution of Uruguay	July 18, 1830
Constitution of Uzbekistan	08-Dec-92
Constitution of Vanuatu	30-Jul-80
Fundamental Law of Vatican City State	26-Nov-00
Constitution of Venezuela	20-Dec-99
Constitution of the Socialist Republic of Vietnam	28-Nov-13
Constitution of Yemen	16-May-91
Constitution of Zambia	2016
Constitution of Zimbabwe	09-May-13