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1 files 1 live table
US Voter Turnout (1980-2022)
Comprehensive longitudinal data on U.S. voter turnout from 1980–2022, tracking Voting-Eligible Population (VEP) turnout rates across all states over 11 presidential and midterm election cycles. Key...
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1 files 1 live table
State Longitudinal Health Data (1980-2014)
State-level longitudinal data on socioeconomic and health indicators spanning 1980–2014. Tracks poverty rates, population estimates, and health metrics across all U.S. states over a 34-year period....
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3 files 2 live tables
Mental Health
Survey responses from U.S. and international participants (2014–2015) covering demographics, physical health history, mental health history, and lifestyle factors. Supports research on the...
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9 files 3 live tables 2 support docs
Election Campaign Contribution Data 2023-2024
Campaign contribution data from OpenSecrets for the 2023–2024 U.S. election cycle. Includes individual and PAC contributions categorized by industry and ideological affiliation, sourced from...
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2 files 2 live tables
Death Rates and Life Expectancy
National death rates and life expectancy at birth from the National Center for Health Statistics (NCHS). Covers mortality trends and leading causes of death across the United States over multiple...
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1 files 1 live table
ASEC Health Insurance Coverage Data
Health insurance coverage indicators from the Annual Social and Economic Supplement (ASEC) of the U.S. Census Bureau's Current Population Survey. The primary national source for estimates on...
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1 files 1 live table
Air Quality Data (Cleaned)
State-level Air Quality Index (AQI) data for the United States, cleaned and processed for research use. Sourced from the U.S. Environmental Protection Agency (EPA), this dataset enables analysis of...
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4 files 4 live tables
Maryland AQI and Transportation Data
Joined Air Quality Index (AQI) and transportation statistics for Maryland covering 2023–2024. Supports research at the intersection of environmental health and transportation policy. Key...