The Academy consists of Foundation Fellows, Fellows and Foreign Fellows.

Foundation Fellows are persons borne on the Register of the Academy as Fellows immediately prior to the coming in force of the Charter of the Academy.

Fellows are Pakistani Scientists eminent for their original contribution to science, who are elected according to the procedure laid down in the Bye-Laws. Not more than five Fellows may be elected in any one year until the total number of Fellows reaches the limit of one hundred.

Foreign Fellows are scientists who are nationals of countries other than Pakistan and who are eminent for their contributions to science and who are elected according to the procedure laid down in the Bye-Laws. Not more than three Foreign Fellows may be elected in any one year until the total number of Foreign Fellows reaches the limit of thirty.

The procedure for the election of Fellows and Foreign Fellows is laid down in the Bye-Laws.