Programs include committees acting as the House of Representatives, Senate, and Supreme Court, as well as other functions associated with the government.

Harvard Model Congress Asia (HMCA) was founded in 2004, holding an annual conference in mid-January (second weekend of January).

As a substitute for the cancelled 2008 HMCA, the 2009 session of Harvard Model Congress Asia was held in Seoul, South Korea, from January 22 to 24.

HMC Europe looks at institutions of international governance, including the World Health Organization, Group of 24, and European Commission.

Harvard Model Congress Latin America was founded in 2014, holding an annual conference near the end of August.