State Area
(km2)
Population[19][20]
(2021)
Date signed
[Note 1]
Date of first
implementation
[Note 2]
 Austria 83,871 8,922,082 28 April 1995[21] 1 December 1997[22][23][Note 3]
 Belgium 30,528 11,611,419 14 June 1985[24] 26 March 1995[25]
 Croatia 56,594 4,060,135 9 December 2011[26] 1 January 2023[27][28][Note 4]
 Czech Republic 78,866 10,510,751 16 April 2003[29] 21 December 2007[30][Note 5]
 Denmark
(excluding  Greenland and the  Faroe Islands, but see [Note 6])
43,094 5,854,240 19 December 1996[36] 25 March 2001[37]
 Estonia 45,338 1,328,701 16 April 2003[29] 21 December 2007[30][Note 5]
 Finland 338,145 5,535,992 19 December 1996[38] 25 March 2001[37]
 France
(excluding overseas departments and collectivities)[Note 7]
551,695 64,531,444 14 June 1985[24] 26 March 1995[25]
 Germany[Note 8]
(previously excluding Büsingen am Hochrhein)[40]
357,022 83,408,554 14 June 1985[24] 26 March 1995[25]
 Greece[Note 9][Note 10] 131,990 10,445,365 6 November 1992[44] 1 January 2000[45][Note 11]
 Hungary 93,030 9,709,786 16 April 2003[29] 21 December 2007[30][Note 5]
 Iceland[Note 12] 103,000 370,335 19 December 1996[46]
18 May 1999[47][Note 13]
25 March 2001[37]
 Italy 301,318 59,240,329 27 November 1990[49] 26 October 1997[23][50][Note 14]
 Latvia 64,589 1,873,919 16 April 2003[29] 21 December 2007[30][Note 5]
 Liechtenstein[Note 12] 160 39,039 28 February 2008[51] 19 December 2011[52]
 Lithuania 65,300 2,786,651 16 April 2003[29] 21 December 2007[30][Note 5]
 Luxembourg 2,586 639,321 14 June 1985[24] 26 March 1995[25]
 Malta 316 526,748 16 April 2003[29] 21 December 2007[30][Note 5]
 Netherlands
(excluding ArubaCuraçaoSint Maarten and the Caribbean Netherlands)
41,526 17,501,696 14 June 1985[24] 26 March 1995[25]
 Norway[Note 12]
(excluding Svalbard)[53]
385,155 5,403,021 19 December 1996[46]
18 May 1999[47][Note 13]
25 March 2001[37]
 Poland 312,683 38,307,726 16 April 2003[29] 21 December 2007[30][Note 5]
 Portugal 92,391 10,290,103 25 June 1991[54] 26 March 1995[25]
 Slovakia 49,037 5,447,622 16 April 2003[29] 21 December 2007[30][Note 5]
 Slovenia 20,273 2,119,410 16 April 2003[29] 21 December 2007[30][Note 5]
 Spain
(with special provisions for Ceuta and Melilla)[Note 15]
505,990 47,486,935 25 June 1991[56][57] 26 March 1995[25]
 Sweden 449,964 10,467,097 19 December 1996[58] 25 March 2001[37]
  Switzerland[Note 12]
(with Büsingen am Hochrhein)
41,285 8,691,406 26 October 2004[59] 12 December 2008[60][Note 16]
 Schengen Area 4,189,111 417,597,460 14 June 1985[24] 26 March 1995[25]
State Area
(km2)
Population[19][20]
(2021)
 Monaco 2.02 36,686
 San Marino 61.2 33,745
  Vatican City 0.49 511