About partisan affiliation measures in Pew Research Center data<\/h4>\n\n\n\n
This fact sheet shows trends in partisan identification among U.S. adults using data from Pew Research Center\u2019s National Public Opinion Reference Survey (NPORS). The most recent NPORS was conducted from Feb. 5 to June 18, 2025, among 5,022 U.S. adults.<\/p>\n\n\n\n
We field NPORS to produce benchmark estimates for several topics, including Americans\u2019 political and religious affiliations. The accompanying NPORS fact sheet<\/a> provides additional detail about its methodology, including the questionnaires and links to the datasets.<\/p>\n\n\n\n We also periodically publish reports that analyze partisan affiliation trends in more depth (including longer-term trends and additional subgroup analysis), based on data from Pew Research Center\u2019s American Trends Panel<\/a> and historical trends from Center telephone surveys. The most recent of these reports \u2013 focused on partisanship among registered voters \u2013 was published in spring 2024<\/a>.<\/p>\n<\/div>\n\n\n\n Today, Americans are about evenly split between the two parties: 46% identify with or lean toward the Republican Party, and 45% identify with or lean toward the Democratic Party. <\/strong>This balance of partisanship is similar to 2024, but the current near-even division marks a shift from the affiliation advantage the Democratic Party enjoyed a few years ago.<\/p>\n\n\n\n While most U.S. adults consider themselves to be a partisan \u2013 either a Republican (31%) or a Democrat (28%) \u2013 41% of Americans say they are independents or \u201csomething else.\u201d Most of those in these groups say they lean toward one of the two parties, with 15% of all adults leaning Republican and 18% leaning Democratic. These leaners\u2019 political views and behaviors tend to align much more closely with those of the partisans they lean toward than with those of independents who lean toward the other party.<\/p>\n\n\n\n Throughout this fact sheet, references to Republicans and Democrats include those who lean toward that party.<\/p>\n<\/details>\n\n\n\n The long-standing gender gap in partisan identification has been fairly consistent in recent years. Today, men are 12 percentage points more likely than women to affiliate with the Republican Party. Conversely, women are 12 points more likely than men to affiliate with the Democratic Party.<\/p>\n\n\n\nPolitical party affiliation, 2020-25<\/h3>\n\n\n\n
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<\/figure>\n\n\n\nWhy leaners are included with partisans<\/summary>\n
Partisanship by gender<\/h4>\n\n\n\n
Tab Contents<\/h3>
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