Skip to content
21 June 2026

The impact of gerrymandering on electoral competition in the U.S.

Gerrymandering shapes the political landscape, reducing competition and increasing polarization.

Map illustrating gerrymandering effects on electoral districts
Explore how gerrymandering shapes electoral competition in the U.S.

Understanding gerrymandering and its consequences

Gerrymandering, the practice of manipulating electoral district boundaries to favor a particular political party, has become a significant factor in the decline of competitive elections in the United States. A recent analysis reveals that a staggering 90% of races are now determined by primary voters rather than the general electorate, leading to a political landscape that increasingly favors extreme candidates. This shift not only undermines the democratic process but also exacerbates the polarization that has gripped American politics.

The statistics behind the decline of competition

According to a comprehensive analysis of nearly 6,000 congressional and state legislative elections, only 8% of congressional races and 7% of state legislative races were decided by a narrow margin of fewer than five percentage points. This alarming trend indicates that most elections are not genuinely competitive, with incumbents often dominating or districts being drawn to heavily favor one party. The result is a series of blowouts that do not reflect the closely divided nature of the American electorate.

The role of demographic shifts and political sorting

While gerrymandering plays a crucial role in diminishing electoral competition, other factors also contribute to this phenomenon. Demographic shifts and the tendency of like-minded individuals to cluster in similar communities, known as political sorting, have further entrenched partisan divides. As communities become more homogenous, the likelihood of competitive elections decreases, leading to a political environment where compromise is rare and extreme viewpoints prevail.

Looking ahead: The future of electoral competition

As the impact of gerrymandering continues to shape the political landscape, the future of electoral competition remains uncertain. Advocates for reform argue that changes to the redistricting process are essential to restoring fairness and competitiveness in elections. By implementing independent commissions to oversee district drawing, it may be possible to create a more balanced political environment that reflects the diverse views of the electorate. The challenge lies in overcoming the entrenched interests that benefit from the current system and fostering a political culture that values competition and compromise.

World Cup 2026

Upcoming matches

Today
New Zealand
21:00EDTGroup G
Egypt
Tomorrow
Argentina
13:00EDTGroup J
Austria
France
17:00EDTGroup I
Iraq
Norway
20:00EDTGroup I
Senegal

Results

Today
Uruguay
22FT · Group H
Cape Verde
Belgium
00FT · Group G
Iran
Spain
40FT · Group H
Saudi Arabia
Tunisia
04FT · Group F
Japan
Updated 20:54 EDT