Economically Active Population Survey National results. Active population Active population by relationship to the reference person, sex and unit. Units: thousands of persons ;both sexes;;males;;females;; ;Absolute value;%;Absolute value;%;Absolute value;%; total;18,821.9;100.0;11,199.1;100.0;7,622.8;100.0; reference person;8,259.5;43.9;6,879.9;61.4;1,379.6;18.1; spouse or partner;4,452.1;23.7;683.3;6.1;3,768.7;49.4; son/daughter;5,338.3;28.4;3,170.2;28.3;2,168.1;28.4; another relative;621.8;3.3;382.2;3.4;239.5;3.1; non-related person;150.3;0.8;83.4;0.7;66.9;0.9; Notes: Source: National Statistics Institute