Party Balance
State Representation
In Congress, representation is split between the House and the Senate. In the House of Representatives, each state's number of seats is based on population — for example, California has the most with 52 representatives, meaning about one representative per 760,000 people, while Wyoming has just one representative for its roughly 580,000 residents. In the Senate, however, every state has two senators, regardless of population, giving equal representation to all 50 states.
Gender Divide
Average Age
58
Representation in Congress did not happen all at once...
It took centuries of change
From the nation's inception, the promise of equality has been at odds with the reality of exclusion. Each date marks a step in overcoming barriers that initially limited political participation. The timeline traces the inclusion of marginalized groups through key moments.
Reviewing these events reveals the persistent effort to broaden access to power. While the nation's founding ideals spoke of equality, the composition of its governing bodies evolved slowly. These milestones underscore that achieving a more representative democracy has been an ongoing process.
Over time, Congress has slowly become more reflective of America's diversity, but significant gaps remain. Christianity, particularly Protestant denominations, remains heavily overrepresented compared to the general U.S. population. Meanwhile, women have made steady gains in congressional representation, though they still account for a smaller share than their proportion in the broader public. Similarly, while the number of openly LGBTQ+ lawmakers has risen in recent years, they continue to be underrepresented relative to the American population.
These trends show that while progress has been made toward a more inclusive government, full representation across key identity groups is still a work in progress — and the makeup of Congress continues to shape which perspectives are most heard in national policymaking.