Survey on Human Resources in Science and Technology 
National results
Degree of relationship between the main job and the doctoral  studies, by doctoral area.
Units: percentage

;Total;High;Intermediate;Low;
Total;100.00;60.65;21.82;17.53;
Natural sciences;29.14;18.67;5.63;4.84;
Engineering and technology;9.38;6.25;1.64;1.49;
Medical sciences;22.91;10.44;6.74;5.73;
Agricultural sciences;3.75;2.29;0.68;0.78;
Social sciences;21.27;15.29;3.89;2.09;
Humanities;13.55;7.71;3.24;2.60;
Notes:
Source: National Statistics Institute