Survey Methodology

Data Collection Sample Size Margin of Error Data Analysis Data Interpretation Consulting Firms Polling Organizations Sampling Techniques Demoskopie Forschungsgruppe Wahlen

3 ARTICLES

last mo.

Primary Polls Miss in Wisconsin and Michigan, Raising Questions About Methods

Experts say turnout modeling, open‑primary voter allocation and late-deciding voters explain the errors and reveal longer-term funding and response challenges for the survey system.

3 ARTICLES

last mo.

Trump Boasts 'Great' Poll Numbers as Independent Surveys Show Mid‑30s Approval

4 ARTICLES

last mo.

Trump Faces Record Low Approval in Multiple National Polls

4 ARTICLES

3mo ago

Futuro Nazionale Ties Lega at 5.3% in Swg Poll and Could Shift Centre‑Right Totals

4 ARTICLES

4mo ago

New Atlas/Bloomberg Poll Shows Lula Still Underwater Despite Slight Approval Uptick

8 ARTICLES

5mo ago

Datafolha Finds Petistas Now Outnumber Bolsonaristas as New Survey Tightens Lula–Flávio 2026 Runoff

4 ARTICLES

9mo ago

Russian Polls Show Strong Trust in Putin as Government, Party Ratings Lag

12 ARTICLES

9mo ago

Flávio Bolsonaro’s 2026 Push Meets Resistance as PL Maps Coalition and Senate 'Superbloc'

3 ARTICLES

9mo ago

Yale Poll Finds Buttigieg at 4% With Black Voters, Drawing Duke 2016 Comparisons

5 ARTICLES

last yr.

Lee Jae Myung Approval Rating Climbs to 62.1% in First Month

3 ARTICLES

last yr.

AfD Tops Union Among Core Supporters as CDU/CSU Widen Lead in General Polls

3 ARTICLES

last yr.

Majority of French Citizens Support Re-Electing Incumbent Mayors for 2026

7 ARTICLES

last yr.

Tight Race in NY's 17th District as Lawler Leads Jones Ahead of Election

Survey Methodology

Primary Polls Miss in Wisconsin and Michigan, Raising Questions About Methods

Trump Boasts 'Great' Poll Numbers as Independent Surveys Show Mid‑30s Approval

Trump Faces Record Low Approval in Multiple National Polls

Futuro Nazionale Ties Lega at 5.3% in Swg Poll and Could Shift Centre‑Right Totals

New Atlas/Bloomberg Poll Shows Lula Still Underwater Despite Slight Approval Uptick

Trump’s Approval Sags Nationally, With Erosion Reaching Into GOP Terrain

Brazil Poll Finds Congressional Chiefs Hold 81% Negative Image

Peru’s Interim President Accused of Copying Son’s Thesis in 2005 Book

Datafolha Finds Petistas Now Outnumber Bolsonaristas as New Survey Tightens Lula–Flávio 2026 Runoff

Russian Polls Show Strong Trust in Putin as Government, Party Ratings Lag

Never miss stories about

Survey Methodology

Flávio Bolsonaro’s 2026 Push Meets Resistance as PL Maps Coalition and Senate 'Superbloc'

Yale Poll Finds Buttigieg at 4% With Black Voters, Drawing Duke 2016 Comparisons

Lee Jae Myung Approval Rating Climbs to 62.1% in First Month

AfD Tops Union Among Core Supporters as CDU/CSU Widen Lead in General Polls

Majority of French Citizens Support Re-Electing Incumbent Mayors for 2026

Tight Race in NY's 17th District as Lawler Leads Jones Ahead of Election

Never miss stories about

Survey Methodology