States Parties to the 1954 Convention relating to the Status of Stateless Persons (continued) Country Signature Peru Philippines Ratification (r), Accession (a), Succession (s) 23 Jan 2014 a 22 Jun 1955 22 Sep 2011 r Portugal 01 Oct 2012 a Romania 27 Jan 2006 a Rwanda 04 Oct 2006 a Senegal 21 Sep 2005 a Serbia 12 Mar 2001 s Slovakia 03 Apr 2000 a Slovenia 06 Jul 1992 s Spain 12 May 1997 a St. Vincent and the Grenadines 27 Apr 1999 s Swaziland 16 Nov 1999 a Sweden 28 Sep 1954 Switzerland 28 Sep 1954 02 Apr 1965 r 03 Jul 1972 r Trinidad and Tobago 11 Apr 1966 s Tunisia 29 Jul 1969 a Turkmenistan 07 Dec 2011 a Uganda 15 Apr 1965 a Ukraine 25 Mar 2013 a United Kingdom 28 Sep 1954 16 Apr 1959 r Uruguay 02 Apr 2004 a Zambia 01 Nov 1974 s Zimbabwe 01 Dec 1998 s States that have signed but not ratified the 1954 Convention relating to the Status of Stateless Persons Country Signature Colombia 30 Dec 1954 El Salvador 28 Sep 1954 Holy See 28 Sep 1954 59