Membership in The Norwegian Academy of Science and Letters is election based. The Academy has Norwegian and foreign members.
Foreign members residing permanently in Norway also count as Norwegian members.
The members are divided into two divisions:
The Natural Sciences Division
- Group 1 Mathematics
- Group 2 Physics (including Astronomy and Geophysics)
- Group 3 Geological sciences
- Group 4 Chemistry
- Group 5 Biology
- Group 6 Cellular and Molecular Biology
- Group 7 Medical sciences
- Group 8 Technological sciences
The Humanities and Social Sciences Division
- Group 1 History
- Group 2 Culture and Aesthetics (including Archeology, Anthropology and Art History)
- Group 3 Philosophy and Psychology
- Group 4 Literary studies
- Group 5 Philology and Linguistics
- Group 6 Law
- Group 7 Social sciences (including Sociology, Political Science and Economics)
- Group 8 History of Religion and Theology
At the Annual meeting on May 3rd every year, new members are awarded their diplomas in a ceremony at the Grand Hotel Oslo.
The Natural Sciences Division may have up to 140 Norwegian and 100 foreign members under the age of 70. The Humanities and Social Sciences Division may have up to 120 Norwegian and 60 foreign members under the age of 70.
The two divisions are subdivided into groups based on fields or disciplines.
A seat becomes available when a member passes away or turns 70 years of age. Members who have passed the 70 year age limit remain full members and keep the right to vote.
The Academy may also have up to ten honorary members, who are exempt from the class- and group division.
By December 31st 2018 the number of members of The Academy were as follows:
The Natural Sciences Division:
- Norwegian members: 297
- Foreign members: 229
The Humanities and Social Sciences Division:
- Norwegian members: 265
- Foreign members: 129
In total: 920