Here is the list I am currently working with (as of 26 October 2011). I have now included the year when the country most recently adopted a semi-presidential constitution. A link to a list of ‘historic’ cases is provided below. If there are any errors, then do please let me know:

Algeria (1989), Armenia (1995), Austria (1945), Azerbaijan (1995)

Belarus (1996), Bulgaria (1991), Burkina Faso (1991)

Cameroon (1991), Cape Verde (1990), Central African Republic (2005), Chad (1996), Croatia (1991)

Dem. Rep. Congo (2006)

Finland (1919), France (1962)

Gabon (1991), Georgia (2004), Guinea-Bissau (1993)

Haiti (1987)

Iceland (1944), Ireland (1937)

Kazakhstan (1993), Kyrgyzstan (1993)

Lithuania (1992)

Macedonia (1991), Madagascar (2010), Mali (1992), Mauritania (2009), Mongolia (1992), Montenegro (2006), Mozambique (1990)

Namibia (1990), Niger (2010)

Peru (1993), Poland (1990), Portugal (1976)

Romania (1990), Russia (1993), Rwanda (2003)

São Tomé e Príncipe (1990), Senegal (1991), Serbia (2006), Slovakia (1999), Slovenia (1992), Sri Lanka (1976)

Taiwan (1997), Tanzania (1995), Timor-Leste (2002), Togo (1992), Turkey (2007)

Ukraine (1996)

Yemen (1994)

Related posts:

Current list of president-parliamentary and premier-presidential countries

List of historic semi-presidential countries

Definition of semi-presidentialism, presidentialism and parliamentarism