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Pollster file

Gallup

Historical accuracy is measured against certified results. Current-cycle records come from the canonical, deduplicated archive and do not by themselves change the sealed forecast.

Historical polls
69
Mean absolute error
3.89percentage points
Historical bias
R+0.93
Represented cycles
101998–2018
Current archive
12canonical records
History span
Oct 24, 1998through Oct 22, 2018
Identity

Known names and relationships

Known aliases
No additional reviewed aliases
Organization type
Single canonical organization
Cycles represented
1998 · 2000 · 2002 · 2003 · 2004 · 2006 · 2008 · 2010 · 2012 · 2018

69 eligible historical polls across 10 represented cycles passed the published history identity checks. Historical bias is descriptive and is kept separate from sponsor or client affiliation.

Canonical 2025–2026 archive

Current-cycle records

Archive source date 2026-09-09 · bundled copy. Archive records may be newer than the sealed forecast; inclusion here does not mean the forecast uses them.

12 shown · 12 total

Disapprove +23

Approve 36% · Disapprove 59%

Field dates
Dec 1–Dec 15, 2025
Sample
1,016 A
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Disapprove +24

Approve 36% · Disapprove 60%

Field dates
Nov 3–Nov 25, 2025
Sample
1,321 A
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Disapprove +13

Approve 41% · Disapprove 54%

Field dates
Oct 1–Oct 16, 2025
Sample
1,000 A
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Disapprove +16

Approve 40% · Disapprove 56%

Field dates
Sep 2–Sep 16, 2025
Sample
1,000 A
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Disapprove +16

Approve 40% · Disapprove 56%

Field dates
Aug 1–Aug 20, 2025
Sample
1,094 A
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Disapprove +21

Approve 37% · Disapprove 58%

Field dates
Jul 7–Jul 21, 2025
Sample
1,002 A
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Disapprove +17

Approve 40% · Disapprove 57%

Field dates
Jun 2–Jun 19, 2025
Sample
1,000 A
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Disapprove +10

Approve 43% · Disapprove 53%

Field dates
May 1–May 18, 2025
Sample
1,003 A
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Disapprove +9

Approve 44% · Disapprove 53%

Field dates
Apr 1–Apr 14, 2025
Sample
1,006 A
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Disapprove +10

Approve 43% · Disapprove 53%

Field dates
Mar 3–Mar 16, 2025
Sample
1,002 A
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Disapprove +6

Approve 45% · Disapprove 51%

Field dates
Feb 3–Feb 16, 2025
Sample
1,004 A
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
Disapprove +1

Approve 47% · Disapprove 48%

Field dates
Jan 21–Jan 27, 2025
Sample
1,001 A
Sponsor / client
Not reported in archive
Partisan sponsorship
No partisan sponsorship flag
See this pollster in the Full Poll Archive →
Certified-result history

Eligible historical observations

50 shown · 69 total

CycleRaceTypeField endSamplePollResultError
20182018_House-G_USHouse-G2018-10-22675D+11.0D+8.8D+2.3
20122012_Pres-G_USPres-G2012-11-032,800.5D+1.0D+3.9R+2.9
20122012_Pres-G_USPres-G2012-10-252,700R+5.0D+3.9R+8.8
20122012_Pres-G_USPres-G2012-10-182,700R+6.0D+3.9R+9.8
20102010_House-G_USHouse-G2010-10-301,069.5R+13.8R+6.8R+7.0
20102010_House-G_USHouse-G2010-10-191,900R+12.0R+6.8R+5.2
20102010_House-G_USHouse-G2010-10-121,951R+14.0R+6.8R+7.2
20082008_Pres-G_USPres-G2008-11-012,424D+11.0D+7.3D+3.7
20082008_House-G_USHouse-G2008-11-012,465D+12.5D+11.1D+1.4
20082008_Pres-G_USPres-G2008-10-292,429.5D+8.5D+7.3D+1.2
20082008_Pres-G_USPres-G2008-10-262,398D+4.5D+7.3R+2.8
20082008_Pres-G_USPres-G2008-10-232,379D+7.5D+7.3D+0.2
20082008_Pres-G_USPres-G2008-10-202,365.5D+6.5D+7.3R+0.8
20082008_Pres-G_USPres-G2008-10-172,338.5D+5.0D+7.3R+2.3
20082008_Pres-G_USPres-G2008-10-142,356D+4.0D+7.3R+3.3
20062006_House-G_USHouse-G2006-11-04904D+7.5D+8.2R+0.7
20062006_Sen-G_TNSen-G2006-11-03676R+3.0R+2.7R+0.3
20062006_Sen-G_MOSen-G2006-11-03710D+4.0D+2.3D+1.7
20062006_Sen-G_VASen-G2006-11-02711R+3.0D+0.4R+3.4
20062006_Sen-G_RISen-G2006-11-02706D+3.0D+7.0R+4.0
20062006_Sen-G_NJSen-G2006-11-02654D+10.0D+16.0R+6.0
20062006_Sen-G_MTSen-G2006-11-02734D+9.0D+0.9D+8.1
20062006_House-G_USHouse-G2006-10-21600D+8.5D+8.2D+0.3
20042004_Sen-G_FLSen-G2004-10-301,521D+1.0R+1.1D+2.1
20042004_Pres-G_USPres-G2004-10-301,573R+2.0R+2.5D+0.5
20042004_Pres-G_PAPres-G2004-10-301,082R+4.0D+2.5R+6.5
20042004_Pres-G_OHPres-G2004-10-301,111D+4.0R+2.1D+6.1
20042004_Pres-G_FLPres-G2004-10-301,521D+1.0R+5.0D+6.0
20042004_House-G_USHouse-G2004-10-301,086.5D+1.0R+2.7D+3.7
20042004_Sen-G_FLSen-G2004-10-291,138D+2.0R+1.1D+3.1
20042004_Pres-G_WIPres-G2004-10-291,119R+8.0D+0.4R+8.4
20042004_Pres-G_MNPres-G2004-10-291,078D+8.0D+3.5D+4.5
20042004_Pres-G_IAPres-G2004-10-291,119R+2.0R+0.7R+1.3
20042004_Pres-G_FLPres-G2004-10-291,138D+3.0R+5.0D+8.0
20042004_Pres-G_PAPres-G2004-10-25670D+3.0D+2.5D+0.5
20042004_Pres-G_IAPres-G2004-10-24649R+4.0R+0.7R+3.3
20042004_Pres-G_USPres-G2004-10-23600R+5.0R+2.5R+2.5
20042004_Pres-G_FLPres-G2004-10-23768R+8.0R+5.0R+3.0
20042004_House-G_USHouse-G2004-10-23600R+3.0R+2.7R+0.3
20042004_Pres-G_OHPres-G2004-10-19706D+1.0R+2.1D+3.1
20042004_Pres-G_WIPres-G2004-10-18678R+6.0D+0.4R+6.4
20042004_Pres-G_ORPres-G2004-10-17700D+8.0D+4.2D+3.8
20042004_Sen-G_COSen-G2004-10-16666D+1.0D+4.8R+3.8
20042004_Pres-G_COPres-G2004-10-16666R+5.5R+4.7R+0.8
20042004_Pres-G_USPres-G2004-10-15600R+8.0R+2.5R+5.5
20032003_Gov-GS_CAGov-G2003-09-26581R+15.0R+17.1D+2.1
20022002_House-G_USHouse-G2002-11-02715R+6.0R+5.0R+1.0
20022002_Sen-G_SDSen-G2002-11-01685R+3.0D+0.2R+3.2
20022002_Sen-G_COSen-G2002-11-01619R+2.0R+4.9D+2.9
20022002_Sen-G_ARSen-G2002-11-01616D+8.0D+7.8D+0.2

Method · historical final-three-week D/R general-election rows plus verified historical supplement; min n=5

Definition · bias_D is poll D-R margin minus actual D-R margin; positive overstates Democrats.

A missing sample, sponsor or source is labeled unavailable; it is never reconstructed.

Poll data via VoteHub, used under CC BY 4.0. Poll data from The New York Times, used under CC BY 4.0.