Which Senate seats are up for election, and how they are leaning

Breaking down the House races

All 435 voting seats in the US House are up for election, but less than 10% of them are competitive. See a breakdown of the races and which way they are leaning here.

Breaking down the gubernatorial races

Thirty-six states are holding gubernatorial races this November. Here's a breakdown of which states are holding elections, who is running, and which way the race is leaning.

How partisan is your district?

The highly-respected Cook Political Report rates how partisan--and therefore, how safe--every district in the US is. Hover over your home district to see the score.

Experts predict Republicans will gain seats from mid-decade redistricting in 2026

Analysts expect GOP-led states to net seats through mid-decade redistricting, while Democratic states face greater hurdles due to commissions and legal limits—tilting the likely outcome toward Republican gains in 2026.

Track the unusual push for mid-decade redistricting across the US

The National Conference of State Legislatures maintains a live tracker showing where mid-decade congressional redistricting is underway, detailing which states are pursuing new maps, the legislative and constitutional methods being used, and how courts are responding as the 2026 elections approach.

In 2025, Democratic-led states moved to counter with their own redistricting plans

In response to Republican mid-decade redistricting efforts, Democratic leaders in California, New York, Illinois, and Maryland signaled plans to revisit their own congressional maps.

Republicans launched a mid-decade redistricting push in 2025

Beginning in Texas, Republican-controlled legislatures in Missouri, Florida, Ohio, and North Carolina moved to redraw maps before 2030—an uncommon mid-decade effort aimed at securing additional congressional seats.

Most US House seats stay with the same party for decades

An analysis by the Pew Research Center shows that since the 1920s, the vast majority of House districts have been consistently won by the same party, with only a small share regularly changing hands. This highlights the large advantage incumbents have in House elections.

There were fewer competitive districts in 2022 than at any point since 1970

Analysts reported that the 2022 midterms featured the lowest share of competitive congressional districts since 1970, reflecting how modern redistricting has increasingly produced safe seats and reduced voter choice.

Redistricting reshapes political boundaries, usually once a decade after the census

Every 10 years, states redraw congressional and legislative districts based on census data to ensure equal population. Legislatures usually control the process, though some states use independent commissions to curb partisan influence.

In 45 states, governors are allowed to appoint a senator in the event of a vacancy.

As of 2022, Congress was more ideologically polarized than at any point in 50 years

Research from the Pew Research Center indicates that Democrat and Republican lawmakers have become more ideologically unified internally while moving further apart overall—with Republicans shifting to the right faster than Democrats have shifted to the left.

The census reshapes House representation every 10 years

Conducted once every 10 years, the US Census determines how House seats are reapportioned among the states. The 2020 results shifted representation as state population growth and decline altered the geographic balance of political power.

There are ETFs that track lawmakers' stock purchases

If you can’t get enough politics in your life, why not invest like a politician? Because members of Congress are required to disclose their stock purchases, you can do just that, and the NANC and KRUZ ETFs make it even easier. NANC, referencing Nancy Pelosi, holds a basket of stocks that Democratic politicians have purchased. KRUZ, referencing Ted Cruz, holds a basket of Republican-held stocks.

See the most oddly gerrymandered districts in the US

Based on input from redistricting experts and political scientists, this resource identifies and ranks the most extreme congressional gerrymanders of the 2020s, examining how map design, cracking, and packing reduce competition and distort representation across states.

16 states impose term limits on their legislatures

As of 2025, 16 states limit how long lawmakers can serve, usually capping tenure at eight to 12 years in one chamber or across both chambers combined. Most of these limits stem from a 1990s reform wave aimed at curbing career politicians.

Latest polls on the 2024 Presidential election

The latest polls for the 2024 Presidential Election. Updated daily, includes state and national polls for every matchup, including Biden, Harris, Trump, and DeSantis.

Research shows that termed-out lawmakers become less active

A University of Chicago and Stanford study found that state legislators barred from reelection sponsor fewer bills, serve on fewer committees, and skip more votes. The research suggests lawmakers are more productive when future elections remain possible.

Independent redistricting commissions aim to take politics out of the map-drawing process

In several states, citizen or bipartisan panels draw congressional and legislative districts based on neutral criteria like population and geography. Learn more about how these commissions increase competitiveness in elections.

Researchers found that 2020 redistricting tactics created safer districts and reduced competition

Studies of the 2020 redistricting cycle show that map-drawing strategies locked in predictable outcomes. The result was fewer competitive races, more incumbents shielded from challengers, and representatives less responsive to broader voter preferences.

See who appointed the Supreme Court's 116 throughout its history.

Understand the US electorate demographics

Ever wonder how much of each group make up the American voting bloc? Find raw data from the '16 and '18 elections broken out by a variety of factors (click on "validated voters database" link).

Senate confirmations for presidential nominees have become increasingly partisan and delayed

The Senate now takes longer than ever to confirm presidential nominees, with partisan gridlock stalling even routine appointments. The average confirmation time has nearly tripled since the 1980s, leaving key government roles vacant for months.

Test your gerrymandering skills with this interactive game

This simulation demonstrates how packing and cracking alter election outcomes. See how shifting district lines can change representation—regardless of the overall makeup of the electorate.

Red and blue election maps are a modern media invention

The red–blue color scheme used on election night maps emerged in the 20th century as television networks adopted color graphics to make results easier to follow. The association of red with Republicans and blue with Democrats later became standardized.

The 2025-26 Supreme Court docket is poised to reshape presidential power

As the Supreme Court begins a new term, several major cases could define the scope of presidential authority. The court may rule on President Trump's efforts to control state National Guard units, fire independent officials, impose tariffs, and cut congressionally mandated federal spending.

See the results of all 59 presidential elections from 1789 to 2024

This interactive tool lets users explore the outcomes of every US presidential election from George Washington's uncontested 1789 victory through 2024, showing how electoral votes, state results, and shifting coalitions shaped each race.

John McCain's 'thumbs down' on repealing the Affordable Care Act stunned the Senate floor

In July 2017, John McCain voted against a Republican bill to repeal the Affordable Care Act, joining two other Republicans to defeat it 49-51 in the United States Senate—an unusual display of uncertainty and drama in a body where votes are typically locked in advance.

Robert Byrd was the Senate's longest-serving member

This list shows the 25 longest-serving members of the United States Senate. Robert C. Byrd of West Virginia holds the record, having served more than 51 years in the Senate.

A vast majority of Americans support term limits for Congress

In a 2023 poll, 87% of respondents said they supported imposing term limits on members of Congress. The overwhelming bipartisan backing makes term limits one of the most consistently popular political reforms in the United States.

Understanding why Republicans have challenged funding for the NSF

Lack of Congressional support in funding the National Science Foundation has often been justified by the party's interest in cutting federal deficits and reducing waste for seemingly frivolous research projects. However, an analysis of NSF grant data from 1992 to 2018 shows that awards were given to Democratic constituencies at disproportionately higher rates than to Republican ones, despite a lack of evidence of partisanship in proposal reviews. (Some readers may experience a paywall.)

See how a US Supreme Court justice is nominated and confirmed

A president nominates a Supreme Court justice, the Senate Judiciary Committee conducts public hearings and background vetting, and the full Senate debates and votes on confirmation—a process explained step by step in this video.

The Senate must approve top presidential appointments

Under Article II of the Constitution, the United States Senate provides "advice and consent" on presidential nominees. This resource displays the outcome of every Cabinet nomination since Jimmy Carter's presidency and every Supreme Court nomination in US history.

Sharp partisan divides shape how Americans view immigration enforcement

A January 2026 survey shows large party gaps: Both sides broadly support recording arrests, but Democrats are much more likely than Republicans to support sharing officer locations and to oppose profiling, masked officers, and neighborhood-based enforcement.

See the day in the life of a lawmaker

This video tracks Mark Alford, who has represented Missouri's 4th district in the United States House of Representatives since 2023, offering a firsthand look at the pace, travel, and daily demands of congressional life.

Each state’s Electoral College votes mirror its representation in Congress

This overview explains how states receive electors equal to their senators and representatives, and details the legal framework governing how the Electoral College functions during presidential elections.

Can courts end partisan gerrymandering?

This podcast explored whether courts can rein in partisan map-drawing, focusing on North Carolina's 2023 redistricting battle, the Moore v. Harper case, and the controversial "independent state legislature" theory.

In recent decades, Supreme Court nominations have grown increasingly contentious and partisan

This video examines the historical shift from bipartisan, civil confirmation hearings to the deeply divisive process seen today. It focuses on the 1987 nomination of Robert Bork, the most recent nominee to be rejected, as an important moment in this transformation.

Visualize every time Congress has mentioned the word 'democracy' since 1880, and why

This Pudding interactive analyzes every mention of "democracy" in the Congressional Record over 145 years, charting how the word shifted from a partisan label to a concept, and tracking when lawmakers warned the system itself was under threat.

Most Americans support age limits for justices, elected officials

As members of Congress and Supreme Court justices continue to serve at an average age far older than in the past, polls show a majority of Americans favor setting an age limit for these roles. Roughly 79% support caps for federal elected officials, and 74% favor such limits for Supreme Court justices. A constitutional amendment would be required.

Term limits for Congress face a steep constitutional hurdle

Although polls show overwhelming support for congressional term limits, this would require a constitutional amendment. Since 1995, the Supreme Court has barred states from imposing their own limits, leaving only the difficult Article V amendment process as a path forward.

Congressional committees quietly shape most legislation

This video explains how 20 congressional committees—standing, select, and conference—perform much of Congress's work, from drafting legislation and holding hearings to overseeing executive branch agencies.

How political campaigns use your data

What do campaigns know about US voters, and how do they use that information to shape their strategies during elections? US political campaigns base their strategies and tactics on data collected from more than 200 million voting-age Americans. This visualization by Reuters breaks down how data firms create national databases of voter files, collecting information from a variety of sources to create detailed voter profiles and how political campaigns use that data.

How demographics influence voter turnout and elections

This article breaks down demographic data to show what it means for American elections. According to the latest US Census, the US is growing increasingly diverse. As the population becomes more diverse, so does the electorate. Analyzing the...

How algorithmic redistricting works

Computational methods are convincing a number of judges that some state district maps are drawn illegally. Here's a simple overview of how it works.

Hear how gerrymandering is like 'Moneyball applied to politics'

In a 2016 interview, journalist David Daley explained how Republicans used data-driven targeting after the 2010 census to lock in durable advantages, comparing modern gerrymandering strategies to the analytics revolution in baseball.

Congress is passing fewer laws than in previous decades

A Reuters analysis shows that legislative output in the US Congress has declined as polarization deepens, bipartisan cooperation erodes, and lawmakers rely more on sprawling, must-pass spending bills rather than regular lawmaking.

Watch scholars debate Supreme Court term limits

In a debate from 2017, legal scholars from across the political spectrum spar over whether justices should serve fixed terms. The discussion highlights bipartisan concerns about judicial independence, accountability, and the risks of lifetime tenure.

States are constitutionally mandated to draw their own congressional districts

Under Article I, Section 4 of the US Constitution, state legislatures possess the authority to determine how congressional districts are drawn. However, Congress retains the power to alter these rules if it chooses to.

Read about potential changes to pay transparency laws at the federal level, as well as key aspects of states' transparency laws.

While many US states have pay transparency laws, no similar legislation has been passed at a federal level. However, the Salary Transparency Act was introduced in Congress in March 2023. For details about what that legislation would mandate and its status in the US House and Senate, click here.