Founding and 2002 election

PAC was founded in December 2000 by several dissidents from Costa Rica's two traditional parties, the National Liberation Party and the Social Christian Unity Party. Originally an anti-corruption party, it startled the Costa Rican political arena with a very strong showing in the 2002 general elections. In the presidential vote, party founder and candidate Ottón Solís was able to secure 26% of the votes – an unprecedented amount for a third party in Costa Rica – and force a runoff between the PLN and PUSC.

The party won 21.9% of the popular vote and 14 out of 57 seats in the Legislative Assembly, making it the third strongest political force in the legislature. A few months later, however, after a series of internal disputes, six of the party's 14 deputies resigned from the party, leaving PAC with only eight seats.

2006 election

In the February 5, 2006 parliamentary election, the party won 17 out of 57 seats. Ottón Solís ran for president again, losing to the PLN's Oscar Arias Sanchez by less than 2% of the votes. Arias only won by a few thousand votes over the 40 percent threshold required to avoid a runoff. The number of spoiled ballots was larger than the margin between Solís and Arias.

After the 2006 election, Ótton Solís took a year away from politics to teach in the United States. Former PLN Secretary General Luis Guillermo Solís' name began being circulated at meetings of the "ungroup," an informal gathering of PAC officials, led by former deputy Alberto Salom.^[10] Several PAC officials wanted Luis Guillermo Solís to run as a deputy in San José and as a vice presidential candidate in 2010.^[10]

Future President Luis Guillermo Solís joined the party in 2009.^[11] and attended meetings of the "ungroup" shortly thereafter in anticipation of the 2014 election.^[10]

2010 election

In the 2010 election, Ottón Solís ran for his third and final time as president. Laura Chinchilla of the PLN won, but Ottón Solís finished with 25.2% of the votes. PAC won the second fraction in the Legislative Assembly with 11 deputies elected. Six candidates won municipal elections in the rural communities of Aserrí, Matina, Hojancha, Cañas, Los Chiles y Guatuso.

2014 election

In 2013, PAC held its second national convention. It was an open convention in which any citizen could vote, despite party affiliation. Four candidates vied for the primary to represent PAC in the 2014 national elections: Epsy Campbell Barr, Juan Carlos Mendoza, Luis Guillermo Solís, and Ronald Solís Bolaños, with Luis Guillermo Solís winning 35% of the votes.

On 6 April 2014, Luis Guillermo Solís became the president elect of Costa Rica. PAC candidates won 13 seats in the Legislative Assembly.^[12]

2018 election

The third national convention was held between only two candidates, both former ministers on PAC's first cabinet; Minister of Economy Welmer Ramos and Minister of Labor Carlos Alvarado. Ramos was an economist, more socially conservative and close to the "ottonista" faction, whilst Alvarado was writer and political scientist, much more socially liberal and younger, close to the "progresista" faction. Alvarado won the primary election becoming PAC's first time candidate during government.

Despite suffering from a diminished popularity due to the Cementazo scandal affecting the image of Luis Guillermo Solis' government, Alvarado's progressive positions boost him into the second round as a counter-reaction after the growth of Evangelical Christian singer and ultra-conservative candidate Fabricio Alvarado after the backlash against the IACHR's ruling ordering the country to legalize same-sex marriage, winning by a wide margin in the second round with 60% of the votes and more than 1,300,000 votes over the 39% and around 800,000 votes of his rival, becoming the second time that the party achieved more than a million votes in second round.^[13][14]

International relations

PAC is a member of the Progressive Alliance.^[19] It maintains informal relations with other progressive and social democratic parties. Ottón Solís has independently met with Ricardo Lagos of the Socialist Party of Chile during a visit to Costa Rica, Cristina Fernández, and members of the Democratic Party of the United States.^[20]

Estafa cases

The party was affected in 2016 by a conviction for irregular handling of funds when treasurer Maynor Sterling and an official of the headquarters named Bolaños were found guilty of trying to collect from the Supreme Elections Court for goods and services donated by adherents of the party. The conviction carried a fine of 500 million colones and jail terms for the two involved. In December 2020, the PAC resorts to requesting donations to pay the debt for fraud to the State.^[21]

2010–2014 Mayors

Other notable members of PAC

Presidential

More information Election, Candidate ...

Election	Candidate	First round				Second round
		Votes	%	Position	Result	Votes	%	Position	Result
2002	Ottón Solís	400,681	26.19%	3rd	Lost
2006		646,382	39.80%	2nd	Lost
2010		464,454	25.15%	2nd	Lost
2014	Luis Guillermo Solís	629,866	30.64%	1st	─	1,314,327	77.81%	1st	Won
2018	Carlos Alvarado Quesada	466,129	21.63%	2nd	─	1,322,908	60.59%	1st	Won
2022	Welmer Ramos González	13,803	0.66%	10th	Lost

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Parliamentary

More information Election, Leader ...

Election	Leader	Votes	%	Seats	+/–	Position	Government
2002	Ottón Solís	334,162	22.0%	14 / 57	New	3rd	Opposition
2006		409,030	25.3%	17 / 57	3	2nd	Opposition
2010		334,636	17.6%	11 / 57	6	2nd	Opposition
2014	Luis Guillermo Solís	480,969	23.4%	13 / 57	2	2nd	Government
2018	Carlos Alvarado Quesada	347,703	16.3%	10 / 57	3	3rd	Government
2022	Welmer Ramos González	44,622	2.2%	0 / 57	10	7th	Extra-parliamentary

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