The Database provides the evaluation criteria and framework for the analysis of political party institutionalization, studying the institutionalization level of a political party from three aspects of party performance, namely autonomy, functionality and cohesion, where quantifiable measurement indicators are statistical results of parliamentary archives, chronological documents of party headquarters, relevant diplomatic agreements, and historical election results, while non-quantifiable indictors are obtained through semi-structured interviews with leaders, elites and youngsters of different political parties in Argentina during two years of local field work.