Republican working margin — among the thinnest in modern history
SHUTDOWNS SINCE 1976
21
Funding gaps since the Congressional Budget Act took effect
LONGEST SHUTDOWN
35 days
Dec 2018 – Jan 2019, under divided government
Historical Analysis
ALL 21 SHUTDOWNS BY YEAR — DURATION IN DAYS (hover for detail)
Republican President
Democratic President
Key event
KEY LEGISLATIVE MOMENTS
1974
Congressional Budget Act enacted
1985
Gramm-Rudman-Hollings deficit targets signed
1995
Gingrich Revolution — 2 shutdowns in one winter
2011
Budget Control Act / debt-ceiling crisis
2013
Tea Party ACA shutdown — 16 days
2019
Record 35-day shutdown over border wall
2026
FY2026 CR vote — midterm deadline looms
What's at Stake in 2026
The September 30, 2026 deadline falls six weeks before the midterm elections. Speaker Johnson must navigate between a Freedom Caucus demanding structural spending cuts and moderates in competitive districts who view a shutdown as an electoral liability. With a working margin of approximately 4 seats, a small number of Republican defections is sufficient to block any CR — making Democratic votes a potential necessity, and extracting that support requires concessions that further fracture the conference.
Common Questions
Shutdown durations follow Congressional Research Service classifications. Some early funding gaps (pre-1980) are categorized differently across sources; figures here follow CRS Report R42633. Discretionary spending in nominal dollars, OMB Historical Table 8.1. House seat counts reflect 119th Congress composition per the Office of the Clerk.