For the 1949 elections it ran as part of the Communist-led Hungarian Independent People's Front, winning 39 seats.

[4] The adoption of a new constitution in August 1949 saw the country became a one-party state, with the NPP being merged into the Communist-led Hungarian Working People's Party.

Shortly before the 1994 parliamentary elections, two-thirds of the membership joined the National Democratic Alliance (NDSZ) led by Zoltán Bíró and Imre Pozsgay.

It attracted support from the middle and lower classes in the countryside, as well as intellectuals in the provinces, and was most popular in eastern Hungary.

[8] * Limit for parties to join the National Assembly in Hungary is 5 % of popular votes