California is one of a handful of states that restricts nurse practitioners' ability to work without physician oversight. This paper examines how these restrictions impact care.

Nursing is the single largest health profession in the state. These quick reference guides look at supply, demographics, education, distribution, and pay for registered nurses and licensed vocational nurses.

California's health care industry employed more than 1.4 million people in 2015. Five Almanac quick reference guides provide data on wages, education, and workplaces for selected health professions.