Revolutionary Party Of Democratic Unification

The party was established 1945 as the official party of the military rulers. In the 1950 general elections, its candidate Óscar Osorio won the presidential elections, whilst the party won 38 of the 52 seats in the Constitutional Assembly. It was the only party to contest the 1952 and 1954 legislative elections. In the 1956 presidential elections several opposition candidates were barred from standing by the Central Elections Council, allowing its candidate, José María Lemus, to win with over 95% of the vote. In the legislative elections that year it again won all 54 seats, despite facing opposition from the National Action Party.

The party won the 1958 legislative elections unopposed, and again won all 54 seats in the 1960 elections despite the NAP running again.

Presidential elections

Election	Candidate	Votes	%	Result
1950	Óscar Osorio	345,139	56.45%	Elected  Y
1956	José María Lemus López	677,748	95.20%	Elected  Y

Legislative Assembly elections

Election	Votes	%	Seats	+/–	Position	Result
1950	345,139	56.45%	38 / 52	38	1st	Supermajority government
1952	700,979	100%	54 / 54	16	1st	Supermajority government
1954		100%	54 / 54		1st	Supermajority government
1956	552,000	94.4%	54 / 54		1st	Supermajority government
1958	450,000	100%	54 / 54		1st	Supermajority government
1960	368,545	87.7%	54 / 54		1st	Supermajority government