Data Library - Easy Access to 500,000+ Variables

The Law Enforcement Management and Administrative Statistics (LEMAS) program is a comprehensive data collection initiative by the Bureau of Justice Statistics (BJS) that provides insights into the operations, management, and practices of law enforcement agencies in the United States. The data helps understand the structure and functions of law enforcement agencies across the country, serving as a valuable resource for researchers, policymakers, and law enforcement professionals. The LEMAS survey covers a wide range of topics related to law enforcement management and operations. This includes data on staffing levels, personnel policies, officer training, community policing efforts, use of technology, budgeting and expenditures, equipment, and crime prevention strategies. The survey also provides information on agency policies regarding use of force, officer recruitment and retention, diversity within departments, and collaboration with other agencies.

The Longitudinal Employer-Household Dynamics (LEHD) program, managed by the U.S. Census Bureau, provides comprehensive insights into labor market dynamics by integrating state unemployment insurance records, employer data, and household surveys. Key components include the Quarterly Workforce Indicators (QWI), which offer detailed data on employment, earnings, and job creation by region, and the Origin-Destination Employment Statistics (LODES), which track commuting patterns and job locations. LEHD data helps analyze employment trends, worker demographics, and regional economic conditions, supporting informed decision-making in areas such as economic policy, workforce development, and urban planning. By combining diverse data sources, LEHD delivers valuable insights into the U.S. labor market and regional economic activity.

Market Profile Data provides a detailed overview of the characteristics and dynamics of a specific market or geographic area. It includes demographic information (population size, age, income), economic indicators (employment rates, industry performance), housing statistics (property values, rental rates), and consumer behavior (spending patterns, preferences). This data is crucial for businesses to identify target markets and optimize locations, for policymakers and urban planners to guide development and services, and for researchers to study regional trends. Collected from government sources, surveys, and market research, Market Profile Data helps stakeholders make informed decisions, identify opportunities, and address local needs effectively, supporting economic growth and improving community well-being.

The Picture of Subsidized Households report offers an overview of the characteristics of households receiving federal housing assistance. It details demographic factors such as household composition, income levels, and employment status, highlighting the prevalence of elderly, disabled, and single-parent families. Economic data includes average income, sources of income, and the proportion spent on housing, revealing the financial challenges faced by these households. The report also covers housing characteristics, including unit types, locations, and conditions, and compares actual rent paid to income levels. Additionally, it addresses the accessibility of housing programs. This report is crucial for assessing the impact and effectiveness of housing assistance programs and identifying areas for policy improvement.

The Population Estimates report provides annual data on demographic characteristics and trends of populations within specific regions or countries, including population size, age distribution, and geographical shifts. It highlights trends in population growth or decline, migration patterns, and density across urban and rural areas. The report offers insights into demographic changes and projects future population trends to assist in planning for needs such as healthcare, education, and infrastructure. It is derived from censuses, surveys, and administrative records and helps policymakers, researchers, and planners make informed decisions by presenting current conditions and forecasts. This data supports effective resource allocation and strategic planning in response to evolving demographic dynamics.

The Quarterly Workforce Indicators (QWI) report, produced by the U.S. Census Bureau, provides quarterly data on employment trends and labor market dynamics. It includes metrics on job creation, turnover rates, and employment by industry and occupation, along with worker demographics like age, gender, and education. Key features include tracking job openings, new hires, and separations to gauge economic stability and vitality. The report also covers wages and earnings trends, helping to assess compensation patterns and income disparities. By offering detailed insights into workforce conditions, the QWI supports policymakers, researchers, and businesses in evaluating economic policies, workforce development programs, and labor market changes.

The religious landscape of the United States has been documented through several key datasets. The earliest, from 1980, compiled by the Glenmary Research Center, covers 111 Judeo-Christian church bodies but excludes most historically African American denominations. In 1990, the Association of Statisticians of American Religious Bodies (ASARB) broadened the scope, surveying 132 religious groups. The 2000 survey expanded further, covering 149 groups, though gaps remained in representing African American denominations.The 2010 and 2020 ASARB surveys included more granular metrics for black Protestant, Catholic, and Orthodox Christian congregations, while retaining core categories like total population and evangelical congregations.While some smaller groups remain underrepresented, these datasets collectively provide a valuable longitudinal perspective on religious trends, tracking changes in church membership and shifts in the U.S. religious landscape over time.

The Small Area Fair Market Rent (SAFMR) report provides detailed data on rental costs within smaller geographic areas, offering a more localized approach to determining fair market rents than broader measures. SAFMRs are used in housing assistance programs to align rental subsidies with local housing market conditions. The report includes average rent prices for different types of housing units in these small areas, highlighting variations and trends compared to regional or national averages. SAFMRs help ensure that housing assistance payments reflect local rent levels, improving affordability for low-income families and supporting fair access to housing. This approach enhances the accuracy of housing programs and better addresses regional rental market differences.

U.S. Census data, collected every ten years by the U.S. Census Bureau, provides a comprehensive picture of the nation's population and demographics. It includes a variety of aspects, such as population count, age distribution, race and ethnicity, household composition, income levels, education attainment, and housing conditions. The Census is vital for understanding the social, economic, and demographic changes in the U.S. It is used to apportion seats in the House of Representatives, distribute federal funds to states and localities, and inform policy decisions at various levels of government. Additionally, businesses, researchers, and community organizations utilize census data to analyze market trends, conduct demographic research, and plan for the future.

The U.S. Congressional Elections dataset provides detailed insights into elections for the U.S. House of Representatives and Senate. It is organized into several tables covering key aspects of election outcomes, voting patterns, and candidate performance.

The U.S. General Elections dataset provides comprehensive data on election outcomes for presidential, senatorial, congressional (House), and gubernatorial races from 2016 to 2022.

The U.S. Gubernatorial Elections dataset provides detailed data on gubernatorial races from 1990 to 2020, offering insights into voting patterns, candidate performance, and election competitiveness.

U.S. Health Data includes comprehensive information on public health indicators, disease prevalence, and healthcare utilization. It covers chronic and infectious diseases, health behaviors, and mental health issues, providing insights into overall health outcomes and healthcare needs. The dataset also tracks healthcare utilization, including hospital visits and insurance coverage, revealing gaps in access and disparities among different demographics.

The U.S. Presidential Elections dataset provides detailed information on elections from 1912 to 2020, covering voting patterns, candidate performance, and election competitiveness.

The U.S. Senatorial Elections dataset offers detailed data on senatorial races from 1990 to 2020, providing insights into voting patterns, candidate performance, and election competitiveness.The Votes by Party table breaks down the total votes cast by Democratic, Republican, other major parties, and all others. The Candidates table (1990–2016) includes data on winning and runner-up candidates, incumbents, and turnovers, while the 2018–2020 data focuses on winning and runner-up candidates and their parties.The Party of Winner table shows the party affiliation of the winning candidate and the total votes cast, giving an overview of party control. The Margin of Victory table tracks the vote margins between Democratic and Republican candidates, while the Election Competitiveness table highlights the vote percentage difference between the top two candidates.This dataset is valuable for analyzing trends in Senate elections, voter behavior, and the competitiveness of U.S. senatorial races over time.

U.S. Unemployment Statistics, primarily from the Bureau of Labor Statistics (BLS), offer crucial insights into the labor market. Key metrics include the unemployment rate, which shows the percentage of job-seekers unable to find work, and the number of unemployed persons. The data is segmented by demographics such as age, sex, race, and education. It also includes the duration of unemployment and the labor force participation rate, which measures the proportion of the working-age population engaged in the job market. Seasonal adjustments ensure accurate trend analysis by accounting for regular fluctuations. These statistics are vital for policymakers, economists, and researchers to analyze economic conditions, design employment policies, and understand labor market dynamics. They support informed decision-making to address unemployment and enhance job creation efforts.

The UK Census, conducted every ten years by the Office for National Statistics (ONS), provides a detailed snapshot of the population of the United Kingdom. It collects comprehensive data on demographics, including age, sex, ethnicity, occupation, education, and housing. The census gathers information on household composition, health, disability, and migration, offering insights at local, regional, and national levels. This data is crucial for government planning, policy-making, and resource allocation. It supports decisions in public services such as healthcare, education, and infrastructure, and informs electoral boundary reviews. Census data is released in stages, starting with key figures and followed by detailed statistics accessible to researchers and the public.

The World Development Indicators (WDI), provided by the World Bank, offers a comprehensive dataset on global development. It includes a wide range of indicators covering economic, social, and environmental aspects. Economic indicators encompass GDP, inflation, and trade, while social indicators address education, health, and poverty metrics. Environmental data includes measures of carbon emissions and resource use. The WDI is organized by country and includes historical data for trend analysis, as well as regional and subnational figures for detailed insights. Regularly updated and sourced from national and international entities, the WDI supports research, policymaking, and development planning. Researchers and policymakers use the WDI to evaluate development outcomes and guide sustainable development efforts globally.

The ZIP Codes Business Patterns dataset, managed by the U.S. Census Bureau, provides detailed information on businesses within specific U.S. ZIP code areas. It includes data on the number of businesses, employment figures, and payroll, offering insights into local economic activity. The dataset is organized by ZIP code, allowing for granular analysis of business distribution and economic conditions. It tracks annual changes, helping users observe trends in business numbers, employment patterns, and payroll variations over time. The dataset also highlights business concentrations by industry, aiding in market research and economic development planning. Useful for economists, business owners, and policymakers, it supports informed decision-making regarding investments, local strategies, and resource allocation.