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10 files 2 support docs
DMV Crime Incidents 2019-2021
Police report data from 2019–2021 across five Washington, D.C. metropolitan area (DMV) jurisdictions, standardized into a single integrated dataset for cross-jurisdictional crime analysis. Key...
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2 files 1 support doc
Covid Tweets
COVID-19 vaccine-related tweets collected via the Twitter API from 2020 through January 2022. Originally published on Kaggle by Gabriel Preda, the dataset covers public discourse on seven major...
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2 files 1 support doc
LAPD Crime
Crime incident data from the Los Angeles Police Department (LAPD), documenting reported crimes across LA's geographic areas. Each record includes date/time, location, crime type, victim...
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2 files 1 support doc
Data Science and STEM Salaries
Self-reported salary data from over 62,000 employees at leading tech companies including Apple, Amazon, Microsoft, and Google. Examines how demographic and educational variables affect compensation...
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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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4 files 1 live table 2 support docs
Subjective Well-being and Mental Health
A face-to-face population survey measuring subjective well-being and symptoms of stress, anxiety, and depression among 1,281 participants in Cali, Colombia. Uses three validated clinical screening...
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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 1 live table 1 support doc
Students and COVID-19
A study of COVID-19 lockdown impacts on students in India's Delhi National Capital Region (NCR), exploring health, diet, and screen time behaviors. Includes supplementary Maryland county-level...
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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...
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3 files 2 support docs
Students and COVID-19
Survey data on the impact of COVID-19 lockdown on students in India's Delhi NCR region. Covers health status, dietary patterns, and screen time with multiple variable types including free-response...
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3 files 2 support docs
STEM Salaries
Self-reported salary data from 62,000+ STEM employees at major tech companies. Examines how gender, race, and education affect compensation. Includes full documentation package with README,...
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3 files 2 support docs
Social Media and Mental Health
Demographic, health, and mental health data from students across 48 U.S. states, born 1971–2003. Includes validated clinical screening instruments (PHQ-9 for depression, GAD-7 for anxiety)...
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3 files 2 support docs
Reevaluating Political Trust and Social Desirability in China
A survey experiment from the Harvard Dataverse examining political trust and social desirability bias in China. Uses an embedded list experiment — an indirect measurement technique — to detect...
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3 files 2 support docs
Global Trust Survey
A global survey of institutional trust covering 119,088 respondents across 113 countries. This version includes a README, the raw survey data in Excel format, and a comprehensive codebook covering...
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2 files
Global Trust Survey
A global survey of institutional trust covering 119,088 respondents across 113 countries. Measures trust in government, scientists, journalists, doctors/nurses, NGOs, neighbors, and traditional...