The National Union for Solidarity and Progress (, UNSP) was a political party in Benin led by Eustache Sarré.

History The UNSP contested the 1991 parliamentary elections in an alliance with the Social Democratic Party.Mathurin C Houngnikpo & Samuel Decalo (2012) Historical Dictionary of Benin, Scarecrow Press, p286 The alliance received 10% of the vote and won 8 of the 64 seats in the National Assembly. Most of the MPs joined Renewal alliance in 1993.Houngnikpo & Decalo, p295

Prior to the 1995 elections the party formed the "New Generation" alliance with the Forum for Democracy, Development and Morality. The two parties received 3% of the vote, winning two seats. The seats were taken by Souléman Zoumarou and Mamoudou Zoumarou.Proclamation of the definitive results of the legislative elections of 28 March 1995 Constitutional Court

It was part of the Star Alliance for the 1999 elections. The Alliance received 4% of the vote and won four seats.Machioudi Dissou (2002) Le Bénin et l'Épreuve Démocratique: Leçons des élections de 1991 à 2001 Editions L'Harmattan, p80 The party nominated Wallis Zoumarou as its candidate for the 2001 presidential elections. Zoumarou finished ninth in a field of 17 candidates.

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