Hundreds of computer servers worldwide that store patient X-rays and MRIs are so insecure that anyone with a Web browser or a few lines of computer code can view patient records. One expert warned about it for years.
Hundreds of small cities and towns throughout the country rely significantly on fines to fund their budgets.
Per capita public employment dropped the most in Alaska and Arizona, while other states are expanding their workforces.
When a community is in fiscal trouble, nonprofits are often a big help. But some places have far fewer of them.
Maps shows where cities, towns and other local governments are most concentrated.
Why do some counties have vastly more native-born residents than others?
Total locally focused nonprofits and nonprofits per capita by metro area.
Data showing domestic migration and international migration for U.S. counties.
Numbers of construction permits by city, jurisdictions permitting the most new units.
Population data for residents living in areas prone to flooding and growth estimates for U.S. counties.
Numbers of federal workers in each state, broken out by salary level.
Retail employment data for local areas suggests some places are benefiting significantly from e-commerce, while much of the rest of the country is lagging far behind.
Measures of segregation for different demographic groups, including whites, blacks, Hispanics and Asians.
Measures of school segregation between black and white students.
Metro area and county statistics on numbers of pedestrian deaths in dark, daylight and other lighting conditions.
Ratios of black men to black women serve as proxy for mass incarceration and other socioeconomic issues.
Numbers of workers who work from home vary across regions. See data showing the prevalence of telecommuting by metro area.