Lead
As of Dec. 17, 2025, more than a tenth of sitting members of the U.S. Congress have indicated they will not hold their current seats after the 2026 midterm elections, citing retirements, redistricting and runs for other offices. NPR’s tracker counts 54 lawmakers — 10 senators and 44 representatives — who announced departures or bids for different posts. High-profile names include Rep. Nancy Pelosi and Sen. Mitch McConnell; others are pursuing state roles or resigning after primary wins. The wave of exits has created an unusually large turnover picture heading into a politically charged election year.
Key Takeaways
- 54 current members of Congress announced they will not return after 2026: 10 senators and 44 House members, per NPR’s tracker (Dec. 17, 2025).
- Of the 54, 25 are retiring from public office and the remaining 29 are running for different posts, including 15 gubernatorial bids and 13 House-to-Senate runs.
- High-profile departures include former House Speaker Nancy Pelosi (CA) and Senate Republican leader Mitch McConnell (KY); Rep. Marjorie Taylor Greene (GA) announced a planned Jan. 5, 2026 resignation.
- Structural forces — mid-decade redistricting and narrow majorities — are accelerating some decisions; Texas’ new map will be used for 2026 after a court ruling near the Dec. 8 qualifying deadline.
- Since 2017, 900 individuals have served in Congress (132 senators, 751 representatives, 17 who served in both chambers); more than 140 lawmakers retired between 2017–2024.
- The number of early announcements — 54 before the end of 2025 — is a modern-era record for this point in the pre-election calendar and represents the largest Senate turnover projection since 2012.
Background
The current wave of departures is unfolding against a backdrop of intense partisan competition and repeated map changes. Republican leaders control both chambers narrowly, and lawmakers are weighing electoral risk ahead of a midterm where national attitudes toward the administration and party agendas can swing outcomes. Mid-decade redistricting in several states has reshaped district lines and, in some cases, forced incumbents into less secure political terrain.
Patterns in recent years show retirement as the most common exit route: more than 140 members stepped down from 2017 through 2024. That era also saw high turnover tied to primary challenges, scandal, and members seeking higher office at state level. The current cohort of exits mixes long-tenured leaders and newer members, reflecting both generational change and strategic repositioning for state-level posts.
Main Event
NPR’s congressional retirement tracker recorded 54 announcements by Dec. 17, 2025: 10 senators and 44 representatives. Among those leaving are institutional figures whose departures reshape party leadership calculations, as well as rank-and-file members pursuing governorships, Senate seats or other offices. For example, Rep. Chip Roy (R-TX) has declared a bid for Texas attorney general, while several senators have said they would resign their Senate seats if they win gubernatorial contests.
Notable departures include Rep. Nancy Pelosi (D-CA) and Sen. Mitch McConnell (R-KY). Rep. Marjorie Taylor Greene (R-GA) announced a planned resignation effective Jan. 5, 2026 after publicly clashing with former President Trump and following the release of the Epstein files. Former Rep. Mikie Sherrill (D-NJ) left her House seat effective Nov. 20 after winning her state gubernatorial election earlier in November.
State-level deadlines and court rulings have intensified decision timelines. The Supreme Court’s approval for Texas’ new congressional map to be used in 2026 came days before a Dec. 8 primary qualifying deadline, prompting a wave of filings and retirements in that state. California’s redistricting, which leans Democratic according to observers, has also shifted calculations, provoking some Republican incumbents to retire or prepare for primaries against fellow incumbents.
Analysis & Implications
The immediate practical effect is a larger-than-usual candidate churn in both primaries and general elections. Open seats reduce incumbent advantages and heighten the prospects for competitive races, potentially altering House and Senate arithmetic in 2026. Parties will need to reallocate recruitment and fundraising resources to defend or flip newly open districts and to replace experienced committee leaders who are stepping down.
Politically, a wave of exits can accelerate generational turnover within each party. Several veteran Democrats — including Sens. Dick Durbin and Jeanne Shaheen and Reps. Jan Schakowsky, Dwight Evans and Danny Davis — have signaled they will pass leadership responsibilities to younger figures. That transition affects committee continuity, institutional memory, and the policy expertise available in Washington during the next Congress.
Redistricting-related departures underscore how map drawing can change incentives: incumbents placed in less favorable districts are more likely to retire or pursue other offices, while safe-seat redraws invite strategic bargaining within parties. Mid-decade map changes, especially when enacted by state legislatures and challenged in court, compress decision timelines and can trigger cascades of candidacies and resignations.
Comparison & Data
| Category | Count (as of Dec. 17, 2025) |
|---|---|
| Total members announcing exit or different run | 54 |
| Senators | 10 |
| House members | 44 |
| Retiring from public office | 25 |
| Running for other offices | 29 (15 gubernatorial, 13 House→Senate, 1 other) |
The table above breaks down the NPR-tracked departures by chamber and intent. The total — 54 announced before the end of 2025 — exceeds the historical pace for this point in a pre-midterm cycle and represents the largest projected Senate turnover since 2012, according to NPR’s review and congressional biographical records.
Reactions & Quotes
“I have decided not to seek another term,”
Nancy Pelosi (announcement, reported by NPR)
Pelosi’s decision was widely reported as part of a broader shift among senior Democrats choosing to step aside after recent off-year gains for the party in November 2025. The move has already prompted early-stage jockeying for leadership and committee assignments.
“We must adapt to changing maps and new political realities,”
Senate Republican leadership (statement summarized)
Republican strategists described the departures as both a risk and an opportunity: while losing experienced lawmakers reduces institutional continuity, open seats create pickup chances in favorable districts.
“This is the largest set of early announcements we have seen in the modern era,”
Congressional analyst (paraphrased)
Independent analysts framed the tally of 54 announcements as a historic inflection point, emphasizing how retirements and office-seeking behavior will reshape the candidate field ahead of 2026.
Unconfirmed
- Precise long-term motives behind each departure: individual political strategy and private considerations vary and are not fully documented.
- Whether additional mid-decade redistricting efforts in other states will prompt more announcements before qualifying deadlines remains uncertain.
- How many incumbents who announce runs for other offices will ultimately vacate their current seats immediately upon winning state races is subject to each officeholder’s timing and state rules.
Bottom Line
The early-2026 departure wave — 54 members as of Dec. 17, 2025 — signals a heightened level of turnover that will reshape both party planning and the competitive map for the midterms. Open seats and leadership vacancies increase volatility and require parties to adapt recruitment, fundraising and messaging strategies sooner than in a typical cycle.
Redistricting and narrow majorities are central structural drivers, but personal decisions and political opportunity-seeking also play large roles. Voters and party officials should expect an unusually fluid candidate landscape through 2026, with implications for committee expertise, legislative continuity and the balance of power in Congress.