Disbelief in God by Academic Discipline % 
Physics 40.8
Chemistry 26.6
Biology 41.0
Overall 37.6
Sociology 34.0
Economics 31.7
Political Science 27.0
Psychology 33.0
Overall 31.2
Physics 40.8
Chemistry 26.6
Biology 41.0
Overall 37.6
Sociology 34.0
Economics 31.7
Political Science 27.0
Psychology 33.0
Overall 31.2
Source: "Religion among Academic Scientists: Distinctions, Disciplines, and Demographics".  Author: Ecklund   yr: 2007   Source: Social Problems: [ISSN: 0037-7791] vol: 54   iss: 2   pg: 289-307