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Pollster file

YouGov

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: 447
Mean absolute error: 4.60percentage points
Historical bias: D+1.01
Represented cycles: 142004–2025
Current archive: 424canonical records
History span: Oct 12, 2004through Oct 28, 2025

Identity

Known names and relationships

Known aliases: CBS News/YouGov · CES/YouGov · Rose Institute/YouGov · The Economist/YouGov · University of Massachusetts Lowell/YouGov · YouGov/Cooperative Election Study · YouGov/The Economist
Organization type: Single canonical organization
Cycles represented: 2004 · 2006 · 2008 · 2009 · 2010 · 2012 · 2014 · 2016 · 2017 · 2018 · 2020 · 2022 · 2024 · 2025

447 eligible historical polls across 14 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 · 424 total

Generic ballot

Dem +7

Dem 46% · Rep 39%

Field dates: Aug 14–Aug 17, 2026
Sample: 1,449 RV
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Generic ballot

Dem +7

Dem 39% · Rep 32%

Field dates: Aug 14–Aug 17, 2026
Sample: 1,610 A
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Race

Texas · Senate

Talarico +3

Don't know 14% · Someone else 1% · Ted Brown 3% · Ken Paxton 39% · James Talarico 42%

Field dates: Aug 5–Aug 13, 2026
Sample: 1,200 RV
Sponsor / client: University of Texas
Partisan sponsorship: No partisan sponsorship flag

Race

Texas · Governor

Abbott +5

Don't know 10% · Someone else 2% · Pat Dixon 3% · Gina Hinojosa 40% · Greg Abbott 45%

Field dates: Aug 5–Aug 13, 2026
Sample: 1,200 RV
Sponsor / client: University of Texas
Partisan sponsorship: No partisan sponsorship flag

Race

Massachusetts · Senate

Markey +21

Would not vote 3% · Don't know 15% · Ed Markey 51% · John Deaton 30%

Field dates: Aug 5–Aug 12, 2026
Sample: 800 RV
Sponsor / client: UMass Amherst | WCVB-TV
Partisan sponsorship: No partisan sponsorship flag

Race

Massachusetts · Senate

Moulton +24

Would not vote 3% · Don't know 22% · Seth Moulton 49% · John Deaton 25%

Field dates: Aug 5–Aug 12, 2026
Sample: 800 RV
Sponsor / client: UMass Amherst | WCVB-TV
Partisan sponsorship: No partisan sponsorship flag

Race

Massachusetts · Governor

Healey +19

Would not vote 3% · Don't know 14% · Brian Shortsleeve 32% · Maura Healey 51%

Field dates: Aug 5–Aug 12, 2026
Sample: 800 RV
Sponsor / client: UMass Amherst | WCVB-TV
Partisan sponsorship: No partisan sponsorship flag

Race

Massachusetts · Governor

Healey +20

Would not vote 2% · Don't know 12% · Mike Minogue 33% · Maura Healey 53%

Field dates: Aug 5–Aug 12, 2026
Sample: 800 RV
Sponsor / client: UMass Amherst | WCVB-TV
Partisan sponsorship: No partisan sponsorship flag

Generic ballot

Dem +8

Dem 40% · Rep 32%

Field dates: Aug 7–Aug 10, 2026
Sample: 1,588 A
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Generic ballot

Dem +6

Dem 46% · Rep 40%

Field dates: Aug 7–Aug 10, 2026
Sample: 1,419 RV
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Generic ballot

Dem +8

Dem 41% · Rep 33%

Field dates: Jul 31–Aug 3, 2026
Sample: 1,607 A
Sponsor / client: Not reported in archive
Partisan sponsorship: No partisan sponsorship flag

Generic ballot

Dem +4

Dem 46% · Rep 42%

Field dates: Jul 31–Aug 3, 2026
Sample: 1,472 RV
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 · 447 total

Cycle	Race	Type	Field end	Sample	Poll	Result	Error
2014	2014_Sen-G_SD	Sen-G	2014-10-20	527	R+13.0	R+20.9	D+7.9
2014	2014_Sen-G_SC	Sen-G	2014-10-20	1,566	R+15.0	R+15.5	D+0.5
2014	2014_Sen-G_RI	Sen-G	2014-10-20	866	D+45.0	D+41.4	D+3.6
2014	2014_Sen-G_OR	Sen-G	2014-10-20	1,421	D+12.0	D+18.9	R+7.0
2014	2014_Sen-G_OK	Sen-G	2014-10-20	995	R+36.0	R+39.5	D+3.5
2014	2014_Sen-G_NM	Sen-G	2014-10-20	962	D+16.0	D+11.1	D+4.9
2014	2014_Sen-G_NJ	Sen-G	2014-10-20	1,868	D+12.0	D+13.5	R+1.5
2014	2014_Sen-G_NH	Sen-G	2014-10-20	1,042	D+5.0	D+3.3	D+1.7
2014	2014_Sen-G_NE	Sen-G	2014-10-20	681	R+29.0	R+32.9	D+3.9
2014	2014_Sen-G_NC	Sen-G	2014-10-20	1,910	D+3.0	R+1.6	D+4.6
2014	2014_Sen-G_MT	Sen-G	2014-10-20	497	R+18.0	R+17.7	R+0.3
2014	2014_Sen-G_MS	Sen-G	2014-10-20	654	R+22.0	R+22.0	D+0.0
2014	2014_Sen-G_MN	Sen-G	2014-10-20	2,430	D+10.0	D+10.3	R+0.3
2014	2014_Sen-G_MI	Sen-G	2014-10-20	2,394	D+8.0	D+13.3	R+5.3
2014	2014_Sen-G_ME	Sen-G	2014-10-20	1,177	R+19.0	R+37.0	D+18.0
2014	2014_Sen-G_MA	Sen-G	2014-10-20	2,218	D+22.0	D+23.9	R+1.9
2014	2014_Sen-G_KY	Sen-G	2014-10-20	1,502	R+6.0	R+15.5	D+9.5
2014	2014_Sen-G_IL	Sen-G	2014-10-20	3,519	D+13.0	D+10.8	D+2.1
2014	2014_Sen-G_ID	Sen-G	2014-10-20	575	R+31.0	R+30.7	R+0.3
2014	2014_Sen-G_IA	Sen-G	2014-10-20	2,322	0	R+8.3	D+8.3
2014	2014_Sen-G_GA	Sen-G	2014-10-20	1,774	R+3.0	R+7.7	D+4.7
2014	2014_Sen-G_DE	Sen-G	2014-10-20	461	D+18.0	D+13.6	D+4.4
2014	2014_Sen-G_CO	Sen-G	2014-10-20	1,567	D+1.0	R+1.9	D+2.9
2014	2014_Sen-G_AR	Sen-G	2014-10-20	1,546	R+5.0	R+17.1	D+12.1
2014	2014_Sen-G_AK	Sen-G	2014-10-20	561	R+4.0	R+2.1	R+1.9
2014	2014_Sen-GS_SC	Sen-G	2014-10-20	1,566	R+29.0	R+22.1	R+6.8
2014	2014_Sen-GS_OK	Sen-G	2014-10-20	995	R+34.0	R+38.9	D+4.9
2014	2014_Sen-GS_HI	Sen-G	2014-10-20	1,002	D+52.0	D+42.1	D+9.9
2014	2014_Gov-G_WY	Gov-G	2014-10-20	258	R+25.0	R+33.9	D+8.8
2014	2014_Gov-G_WI	Gov-G	2014-10-20	3,308	R+1.0	R+5.7	D+4.7
2014	2014_Gov-G_VT	Gov-G	2014-10-20	329	D+12.0	D+1.3	D+10.7
2014	2014_Gov-G_TX	Gov-G	2014-10-20	3,987	R+20.0	R+20.4	D+0.4
2014	2014_Gov-G_TN	Gov-G	2014-10-20	974	R+28.0	R+47.5	D+19.5
2014	2014_Gov-G_SD	Gov-G	2014-10-20	527	R+26.0	R+45.0	D+19.0
2014	2014_Gov-G_SC	Gov-G	2014-10-20	1,566	R+17.0	R+14.5	R+2.5
2014	2014_Gov-G_RI	Gov-G	2014-10-20	866	D+5.0	D+4.5	D+0.5
2014	2014_Gov-G_PA	Gov-G	2014-10-20	3,111	D+13.0	D+9.9	D+3.1
2014	2014_Gov-G_OR	Gov-G	2014-10-20	1,421	D+6.0	D+5.8	D+0.2
2014	2014_Gov-G_OK	Gov-G	2014-10-20	995	R+24.0	R+14.8	R+9.2
2014	2014_Gov-G_OH	Gov-G	2014-10-20	2,728	R+19.0	R+30.6	D+11.6
2014	2014_Gov-G_NY	Gov-G	2014-10-20	5,122	D+25.0	D+14.0	D+11.0
2014	2014_Gov-G_NV	Gov-G	2014-10-20	1,314	R+25.0	R+48.1	D+23.1
2014	2014_Gov-G_NM	Gov-G	2014-10-20	962	R+12.0	R+14.4	D+2.5
2014	2014_Gov-G_NH	Gov-G	2014-10-20	1,042	D+9.0	D+5.0	D+4.0
2014	2014_Gov-G_NE	Gov-G	2014-10-20	681	R+20.0	R+17.9	R+2.0
2014	2014_Gov-G_MN	Gov-G	2014-10-20	2,430	D+9.0	D+5.6	D+3.4
2014	2014_Gov-G_MI	Gov-G	2014-10-20	2,394	D+1.0	R+4.1	D+5.1
2014	2014_Gov-G_ME	Gov-G	2014-10-20	1,177	D+2.0	R+4.8	D+6.8
2014	2014_Gov-G_MD	Gov-G	2014-10-20	1,086	D+13.0	R+3.8	D+16.8
2014	2014_Gov-G_MA	Gov-G	2014-10-20	2,218	D+4.0	R+1.9	D+5.9

4 further rows are held in this pollster’s history shard as within-party or nonpartisan contests (Prim). Those carry no D/R orientation, so they are excluded from the error, bias and coverage figures above and from the table.

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.