1894: Year Labor Day was made a federal holiday by U.S. Congress and President Grover Cleveland

151 million: Estimated number of workers age 16 and over in the U.S.

77: Percentage of workers who get paid holidays, including Labor Day

7.5 million: Number of Americans who work more than one job

$40,798: 2004 annual median income for male workers

$31,223: 2004 annual median income for female workers

Source: U.S. Census Bureau