Costa Rica Sources Polity Style: 1821-2023 Provincial Authorities: 1821-1824 Heads of State: 1824-1848 Heads of State: 1848-1948 Heads of State: 1948-2023 Last updated on: 03 Jul 2012 20:00:00; URL: www.archontology.org/nations/costa_rica/index.php