Morocco and Algeria’s rivalry has expanded beyond politics into economic and diplomatic arenas, with both countries using energy, trade, and migration to gain influence, judges American think tank ...

Explore trends in partisan identification among U.S. adults using data from Pew Research Center’s National Public Opinion Reference Survey (NPORS).

Historically, most public opinion polls did not weight on past (recalled) vote, and experts have highlighted the challenges of the practice. But polling has changed dramatically in the past quarter ...