The Commonwealth of Massachusetts operates under a constitutional framework that divides power among three co-equal branches: legislative, executive, and judicial. This separation of powers ensures checks and balances, a hallmark of American governance since the state's 1780 constitution—the oldest functioning written constitution in the world.
Massachusetts' legislature, formally styled the General Court, is a bicameral body composed of two chambers:
Legislators serve two-year terms with no term limits. The General Court convenes in annual sessions at the Massachusetts State House on Beacon Hill in Boston. It holds the power to enact laws, approve the state budget, override gubernatorial vetoes (with a two-thirds majority), and confirm certain gubernatorial appointments.
The executive branch is headed by the Governor, elected to a four-year term with a two-term limit. The Governor commands the National Guard (when not federalized), prepares the state budget, appoints judges and heads of executive agencies (subject to Governor's Council confirmation), and can veto legislation.
Voters independently elect five other constitutional officers, all serving four-year terms with no term limits:
Additionally, the eight-member Governor's Council (elected from districts) provides advice and consent on judicial nominations, pardons, and certain expenditures.
Massachusetts maintains a hierarchical, unified court system administered by the Supreme Judicial Court (SJC). The courts include:
Judges are appointed by the Governor with Governor's Council consent and serve until mandatory retirement at age 70.
Massachusetts has 351 cities and towns, each with its own elected government (mayor/council or select board/town meeting). Counties exist primarily as judicial districts; most county governments were abolished in the late 1990s, with functions transferred to the state or regional entities.
This structure reflects Massachusetts' commitment to representative democracy, institutional continuity, and the rule of law.