The sector that contributes the highest share to the national income at present is ___________.
The tertiary sector of the economy is the service industry. This sector provides services to the general population and to businesses. Activities associated with this sector include retail and wholesale sales, transportation and distribution, entertainment (movies, television, radio, music, etc.), restaurants, clerical services, media, tourism, insurance, banking, healthcare, and law. In most developed and developing countries, a growing proportion of workers are devoted to the tertiary sector.