The Kremlin blamed our work when it declared Russia’s most respected polling firm a ‘foreign agent.’

On Sept. 5, Russia’s Justice Ministry declared the country’s leading independent polling organization, the Levada Analytical Center, to be a “foreign agent.” … The Levada Center has generated a remarkable trove of information about Russia’s society, politics, and economy over the past quarter century. Its high-quality work inspired us to […] Read more »

What AP learned about using online surveys to measure support for presidential candidates

… The AP earlier this year commissioned an experiment to see if an online, probability-based survey could estimate candidate support among both advance and Election Day voters more accurately than the combined exit poll of Election Day voters and telephone poll of advance voters. That’s the dual, and increasingly costly, […] Read more »

Independent Voters Are Overrated

Some election watchers treat independent voters like the golden key to open up Star World in “Super Mario World.” If you know who is winning independents, the thinking goes, then you know who is going to win the election. There’s an appealing simplicity to the logic of this: If Democrats […] Read more »

As Clinton-Trump Race Tightens, Here’s How Forecast Models Differ

Over the past three weeks, Hillary Clinton’s chances to win the presidency have fallen. Her lead over Donald J. Trump has shrunk to between one and four percentage points nationwide, depending on which polls you count, and which candidates are included. … In The Upshot’s model, Mrs. Clinton’s chances to […] Read more »