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U.S. Party Identification (Pew Research Center NPORS)
Share of U.S. adults who identify with or lean toward each party, and those who lean toward neither, %
Plays the chart through its history. Pauses are where the data set a record or moved most.
Source: Pew Research Center, National Public Opinion Reference Survey (NPORS). Palanor’s calculation from the public dataset (weighted shares), not Pew’s published figures. Asked differently from the Cooperative Election Study, so charted separately. Pew Research Center bears no responsibility for the analyses or interpretations of the data presented here. Leaners are counted with the party they lean toward. One survey a year, dated at the middle of its field period.
How Americans describe their party loyalty each year, from Pew Research Center’s annual National Public Opinion Reference Survey, as calculated by Palanor from Pew’s public dataset. Independents and others who say they lean toward a party are counted with it.
What this chart reads
- Party Identification: Democrats incl. Leaners (Pew Research Center NPORS)as “Democratic Party”latest 2026-04-09
- Party Identification: Republicans incl. Leaners (Pew Research Center NPORS)as “Republican Party”latest 2026-04-09
- Party Identification: No Lean (Pew Research Center NPORS)as “No lean”latest 2026-04-09
Sources
Party Identification: Democrats incl. Leaners (Pew Research Center NPORS). Source: Pew Research Center, National Public Opinion Reference Survey (NPORS), public datasets 2020 →, downloaded from pewresearch.org under Pew's dataset terms. Palanor's calculation from the public dataset: weighted shares (variable WEIGHT) of PARTY and PARTYLN for each survey year. These are not Pew's published figures, though they round to them. Pew Research Center bears no responsibility for the analyses or interpretations of the data presented here. The opinions expressed herein, including any implications for policy, are those of the author and not of Pew Research Center.
Party Identification: Republicans incl. Leaners (Pew Research Center NPORS). Source: Pew Research Center, National Public Opinion Reference Survey (NPORS), public datasets 2020 →, downloaded from pewresearch.org under Pew's dataset terms. Palanor's calculation from the public dataset: weighted shares (variable WEIGHT) of PARTY and PARTYLN for each survey year. These are not Pew's published figures, though they round to them. Pew Research Center bears no responsibility for the analyses or interpretations of the data presented here. The opinions expressed herein, including any implications for policy, are those of the author and not of Pew Research Center.
Party Identification: No Lean (Pew Research Center NPORS). Source: Pew Research Center, National Public Opinion Reference Survey (NPORS), public datasets 2020 →, downloaded from pewresearch.org under Pew's dataset terms. Palanor's calculation from the public dataset: weighted shares (variable WEIGHT) of PARTY and PARTYLN for each survey year. These are not Pew's published figures, though they round to them. Pew Research Center bears no responsibility for the analyses or interpretations of the data presented here. The opinions expressed herein, including any implications for policy, are those of the author and not of Pew Research Center.
Charts are drawn from Palanor's signal library and recomputed from source data on every view. Transformations (changes, indexing, year-on-year rates) are Palanor's.