National Advancement Party

At the 2003 elections, held on 9 November 2003, the party won 8.4% of the popular vote and 17 out of 158 seats in Congress. The party's presidential candidate, Leonel López Rodas, won 8.4% in the presidential elections held on the same day; duly eliminated, he did not compete in the second round.

At the 2007 elections, the party was badly defeated, but still received representation in Congress with 4.58% of the vote and three seats. Its presidential candidate, Óscar Casteñeda, received 2.56% of the vote.

In the 2011 Election, the party chose Juan Guillermo Gutiérrez as its presidential candidate. He came in seventh place with 2.76% of the vote. In the Legislative Election, the party won 1.27% of the vote and 2 seats in Congress.

In the 2015 Election, the party again chose Juan Guillermo Gutiérrez as its presidential candidate. He came in tenth place with 3.10% of the vote. In the Legislative Election, the party won 1.90% of the vote and 3 seats in Congress.

In the 2019 Election, the party chose Roberto Arzú as its presidential candidate. He came in fifth place with 6.10% of the vote. In the Legislative Election, the party won 1.25% of the vote and 2 seats in Congress.

After the elections, the party generally supported the government faction in Congress, voting in favor of the government proposed slate for the directorate of Congress in January 2020 and October 2021.^[8][9]