word | | Constitution |
| July | Togo | multiparty draft constitution approved by High Council of the Republic 1 July 1992, adopted by public referendum 27 September 1992 |
| July | Vanuatu | 30 July 1980 |
| July | Virgin Islands | Revised Organic Act of 22 July 1954 |
| June | American Samoa | ratified 2 June 1966, effective 1 July 1967 |
| June | Bermuda | 8 June 1968; amended 1989 and 2003 |
| June | British Virgin Islands | 13 June 2007 |
| June | Burkina Faso | 2 June 1991 approved by referendum, 11 June 1991 formally adopted; last amended January 2002 |
| June | Cameroon | 20 May 1972 approved by referendum, adopted 2 June 1972; revised January 1996 |
| June | Chad | passed by referendum 31 March 1996; a June 2005 referendum removed constitutional term limits |
| June | Cuba | 24 February 1976; amended July 1992 and June 2002 |
| June | Denmark | 5 June 1953 constitution allowed for a unicameral legislature and a female chief of state |
| June | Estonia | adopted 28 June 1992 |
| June | European Union | ... scheduled to take effect on 1 November 2006; defeat in French and Dutch referenda in May-June 2005 dealt a severe setback to the ratification process; in June 2007, the European Council ... |
| June | Faroe Islands | 5 June 1953 (Danish constitution) |
| June | Gibraltar | 5 June 2006; came into force 2 January 2007 |
| June | Greece | 11 June 1975; amended March 1986 and April 2001 |
| June | Greenland | 5 June 1953 (Danish constitution) |
| June | Guatemala | 31 May 1985, effective 14 January 1986; note - suspended 25 May 1993 by former President Jorge SERRANO; reinstated 5 June 1993 following ouster of president; amended November 1993 |
| June | Guinea-Bissau | 16 May 1984; amended 4 May 1991, 4 December 1991, 26 February 1993, 9 June 1993, and in 1996 |
| June | Haiti | approved March 1987; suspended June 1988 with most articles reinstated March 1989; constitutional government ousted in a military coup in September 1991, although in October 1991, military government claimed to be observing ... |
| June | Iceland | 16 June 1944, effective 17 June 1944; amended many times |
| June | Kosovo | ratified 9 April 2008; effective 15 June 2008 |
| June | Paraguay | promulgated 20 June 1992 |
| June | Qatar | ratified by public referendum on 29 April 2003, endorsed by the amir on 8 June 2004, effective on 9 June 2005 |
| June | Seychelles | 18 June 1993 |
| June | Singapore | 3 June 1959; amended 1965 (based on preindependence State of Singapore Constitution) |
| June | Sudan | constitution implemented on 30 June 1998, partially suspended 12 December 1999 by President BASHIR; under the CPA, Interim National Constitution ratified 5 July 2005; Constitution of Southern Sudan signed December 2005 |
| June | Tunisia | 1 June 1959; amended 1988, 2002 |
| June | Ukraine | adopted 28 June 1996 |
| June | Uruguay | 27 November 1966, effective 15 February 1967; suspended 27 June 1973, new constitution rejected by referendum 30 November 1980; two constitutional reforms approved by plebiscite 26 November 1989 and 7 January 1997 |
| Justica | Cape Verde | 25 September 1992; a major revision on 23 November 1995 substantially increased the powers of the president; a 1999 revision created the position of national ombudsman (Provedor de Justica) |