Survey on Human Resources in Science and Technology Employment situation of the doctorate-holders Percentage of doctorate-holders, by field of the doctoral studies and employment situation at 31 December 2009. Units: percentage Total Employed Unemployed Inactive Total 100.00 96.10 2.08 1.82 Natural Sciences 33.27 32.19 0.93 0.16 Engineering and Technology 8.01 7.78 0.12 0.11 Medical Sciences 20.89 20.34 0.25 0.30 Agricultural Sciences 2.98 2.85 0.14 0.00 Social Sciences 20.14 19.37 0.28 0.49 Humanities 14.70 13.58 0.35 0.77 Notes: Source: National Statistics Institute