Survey on Human Resources in Science and Technology 
Personal characteristics of the doctorate-holders
Percentage of doctorate-holders, by age and sex.
Units: percentage

	Total	Male	Female	
Total	100.00	55.45	44.55	
Under 35 years old	10.17	4.75	5.42	
35-44 years old	50.92	26.57	24.35	
45-54 years old	29.19	17.41	11.78	
55-64 years old	8.45	5.84	2.60	
65-69 years old	1.27	0.88	0.39	
Notes:
Source: National Statistics Institute