The Ministry of Culture and Sports has published the data on the cultural employment of 2018 obtained from the Active Population Survey, official statistics from the National Statistics Plan prepared by the National Institute of Statistics. This data reflects that 690.3 thousand people worked in one of the cultural industries in 2018, which represents 3.6% of total employment in Spain.
http://www.culturaydeporte.gob.es/actualidad/2019/02/20190208-empleo-cultural.html