All cities of america for 9 percent (and in LUXEMBOURG as high as 80.1 percent). About 75 percent of employment was in the service sector including the public sector. In the Economic Census of the United States, services take up chapters 41 89 in the Standard Industrial Classification (SIC) code (though only chapters 70 89 are called Service Industries) and chapters 42 81 in the North American Industrial Classification System (NAICS). In the EUROPEAN UNION (EU), services comprise sections G to Q (chapters 50 99) of the NACE classification. The magnitudes rely on supply-side measurement. Such service sector demarcations are by necessity arbitrary. All cities of america 2016.