Wages – Income paid for the services provided from labor.
Wealth, net worth – A stock measure of the total value of what a household owns minus what it owes.
Weight – The importance attached to an item or observation within a group of items or observations.
Working-age population – The total number of people aged 16 years and over who are not in jail, the hospital, or for some other reason unable to work.
World Bank – An international agency that lends money to individual countries for projects that promote economic growth and development.
World Trade Organization (WTO) -- An organization that deals with the negotiates the rules of trade across nations.