U.S. employers stepped up hiring last month, adding a healthy 227,000 jobs, and more Americans began looking for work, a sign that President Donald Trump has inherited a robust job market from Obama's Administration.

Unemployment is a phenomenon that occurs when a person who is actively searching for employment is unable to find work. Unemployment is often used as a measure of the health of the economy. The most frequently measure of unemployment is the unemployment rate, which is the number of unemployed people divided by the number of people in the labor force.