House members stop crossing party lines

House members now cross party lines less often than in the 1990s.

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House members stop crossing party lines

House members now cross party lines less often than in the 1990s.

In brief

House members now cross party lines less often than in the 1990s. House members cross party lines less frequently than in the 1990s, with current crossover rates at 3.8% versus 13.2% in the 1990s. Originally reported by USAFacts.

House members cross party lines less often

Average share of votes representatives cast with the other party, by Congress, 1991–October 29, 2026

House members have crossed party lines less often than in the 1990s, with current crossover rates at 3.8% versus 13.2%.

Current crossover rates

In the current Congress, Democratic representatives voted with the other party on four out of every 100 votes, while Republicans did on almost three out of every 100.

Historical crossover rates

In the 1990s, the average crossover rate was 13.2%, compared with 3.8% over the past decade.

Lowest crossover rate

Lowest crossover rate

House Republicans have their lowest crossover rate in the current Congress at 2.5% since 1991.

Henry Cuellar's crossover rate

Democratic Representative Henry Cuellar of Texas has voted with the opposite party 35% of the time in the current Congress.

Historical context

In the Congress that began in 1991, 38 House members crossed party lines at least that often. Nine of them voted with the other party more often than their own.

Crossover rate trend

Share of votes each House member cast with their own party, by Congress, 1991–October 29, 2026

Since 2003, the average crossover rate has been 10% or lower for both parties in Congress.

Current crossover rate

In the current Congress, the typical House member crosses party lines on fewer than two out of every 100 votes.

The one thing

House members cross party lines less frequently than in the 1990s, with current crossover rates at 3.8% versus 13.2% in the 1990s.

Read the original on USAFacts

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