• Data reference period
• Geographic localization (NUTS - 2013)

• HIGHER EDUCATION INSTITUTION:  An education establishment that provides courses and offers recognised degrees or other recognised tertiary level qualifications. It may also provide post-secondary non-tertiary courses aimed at specialised vocational training.
• REFERENCE PERIOD:  Period to which the information refers and which may be a specific day or a time interval (month, fiscal year, calendar year, among others).
• DOCTORATE:  Process leading to the academic degree of doctor in tertiary education, which entails the elaboration of a dissertation thesis of scientific nature within a branch of knowledge or specialty.
• DOCTORATE 3rd CYCLE:  Study cycle of tertiary education leading to the academic degree of doctor, ministered in university education, with 180 to 240 credits and normal duration between six and eight semesters, which entails the elaboration of a thesis of scientific nature within a branch of knowledge or specialty, and may also include the accomplishment of the Doctoral Course 3rd Cycle.
• TERTIARY EDUCATION:  Level of education that succeeds to upper secondary education, characterized by high complexity and specialized learning, oriented to the transition into the labor market.

(Science and technology doctorates/ Resident population aged between 25 and 34 years old)*1000