The UDP was established in 1955 by a merger of the National Democratic Party and other factions.
[1] In the 1957 elections the party put forward eight candidates for the 14 constituencies.
It received 8% of the vote, winning one seat;[2] Rudy Kendall in New Amsterdam.
[3] In 1959 the party merged into the People's National Congress.
This article about a Guyanese political party is a stub.