The minimum hourly wage that applies to a G-5 or A-3 domestic service worker increased effective July 1, 2013. G-5 and A-3 domestics are personal attendants who are citizens of a foreign country admitted to the United States to perform domestic service functions for other foreign nationals who are working in the US on diplomatic visas. The minimum hourly wage these domestic workers can be paid is set by metropolitan area using payroll data compiled by the US Department of Labor and is known as the prevailing wage.