Labor force - country data from around the world:
The average for 2014 was 18.69 million people.
The highest value was in China: 806.5 million people and the lowest value was in Tonga: 0.04 million people.
Below is a chart for all countries where data are available for: Labor force.
World bank definition: Total labor force comprises people ages 15 and older who meet the International Labour Organization definition of the economically active population: all people who supply labor for the production of goods and services during a specified period. It includes both the employed and the unemployed. While national practices vary in the treatment of such groups as the armed forces and seasonal or part-time workers, in general the labor force includes the armed forces, the unemployed, and first-time job-seekers, but excludes homemakers and other unpaid caregivers and workers in the informal sector.