Over the last two years, the number of states either identifying with or leaning towards the Democratic Party has been growing, increasing from 14 in 2016 to 22 in 2018. Corresponding to this has been a decline in both: support for the Republicans, which fell from 21 to 18; and the number of states that can be considered competitive, which fell from 15 to 10.
Aggregated political composition of all states in the United States between 2008 and 2018, by party affiliation
Values are the average of multiple polls held throughout the time period.
*The 2018 poll contained 75,669 respondents. Sample size for other years is not disclosed by the source.
Solid states are those in which a party has a 10-point or greater advantage; leaning states are those in which a party has an advantage of more than five points but fewer than 10 points. Competitive states are those in which the party advantage is five points or less.
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Gallup. (February 22, 2019). Aggregated political composition of all states in the United States between 2008 and 2018, by party affiliation [Graph]. In Statista. Retrieved December 23, 2024, from https://www.statista.com/statistics/1080020/political-composition-states-party-us/
Gallup. "Aggregated political composition of all states in the United States between 2008 and 2018, by party affiliation." Chart. February 22, 2019. Statista. Accessed December 23, 2024. https://www.statista.com/statistics/1080020/political-composition-states-party-us/
Gallup. (2019). Aggregated political composition of all states in the United States between 2008 and 2018, by party affiliation. Statista. Statista Inc.. Accessed: December 23, 2024. https://www.statista.com/statistics/1080020/political-composition-states-party-us/
Gallup. "Aggregated Political Composition of All States in The United States between 2008 and 2018, by Party Affiliation." Statista, Statista Inc., 22 Feb 2019, https://www.statista.com/statistics/1080020/political-composition-states-party-us/
Gallup, Aggregated political composition of all states in the United States between 2008 and 2018, by party affiliation Statista, https://www.statista.com/statistics/1080020/political-composition-states-party-us/ (last visited December 23, 2024)
Aggregated political composition of all states in the United States between 2008 and 2018, by party affiliation [Graph], Gallup, February 22, 2019. [Online]. Available: https://www.statista.com/statistics/1080020/political-composition-states-party-us/