The Social Alliance Party (), or PAS, was a humanist political party in Mexico During 1998 till 2003. although claiming to be a centrist party , the PAS was widely known as a right-wing political party

The PAS never managed to have a real presence in the Mexican elections other than in the 2000 general election, where the party participated in part of the Alliance for Mexico. A coalition that supports Cuauhtémoc Cárdenas Solórzano for presidency, which permitted him to conserve the registration and gave him two Federal Deputies.

History 
After a Loss in the 1997 Mexican Legislative Elections, The Mexican Democratic Party. after not receiving more than 2% of the total votes was eventually dissolved later that year alone. During 1998 After the Dissolution in 1997, many Militants of the PDM and other right-wing rearmaments like the National Synarchist Union and with Politicians including José Antonio Calderón Cardoso and Guillermo Calderón Domínguez that the formation of a new party should be based on for those interested in contributing to "solving the current problems " of the country through “electoral political participation“.

Ideology 
The PAS defined itself as a humanist party and refused to fit into the traditional spectrum of right or left , however it was considered right-wing as it’s precursor and almost all its members came from the dissolved Mexican Democratic Party.

PAS Presidents
(1999 - 2003): José Antonio Calderón Cardoso

PAS presidential candidates
(2000): Cuauhtémoc Cárdenas Solórzano (alliance with PRD, PT, C and PSN to form Alliance for Mexico coalition)

References 

Defunct political parties in Mexico
Far-right politics in Mexico
Mexican nationalism