| A0 | Census Enumerations |
| B0 | Community and Urban Studies |
| C0 | Conflict, Aggression, Violence, Wars |
| D0 | Economic Behavior and Attitudes |
| D1 | Continuing Series of Consumer Surveys |
| D2 | Surveys of Economic Attitudes and Behavior |
| D3 | Economic Processes and Indicators, multinational |
| D4 | Economic Processes and Indicators, USA |
| D5 | Economic Processes and Indicators, non-USA |
| E0 | Education |
| E1 | Primary Education |
| E2 | Secondary Education |
| E3 | Higher Education |
| E4 | International Studies of Educational Attainment |
| F0 | Elites and Leadership |
| G0 | Environment and Natural Resources |
| H0 | Governmental Structures, Policies, and Capabilities |
| H1 | Behavior and Attitudes of Bureaucrats |
| H2 | Public Policy Indicators and Outputs, USA |
| H3 | Public Policy Indicators and Outputs, non-USA |
| H4 | Statistics on Government Operations |
| I0 | Instructional Packages and Computer Programs |
| J0 | International Systems: Linkages, Relationships, Events |
| K0 | Legal Systems |
| L0 | Legislative and Deliberative Bodies |
| M0 | Mass Political Behavior and Attitudes |
| N0 | Organizational Behavior |
| P0 | Social Indicators |
| Q0 | Social Institutions and Behavior |
| Q1 | Minorities and Race Relations |
| Q2 | Religion |
| Q3 | Socialization, Students, and Youth, USA |
| Q4 | Socialization, Students, and Youth, non-USA |
| Q5 | Aging and the Life Cycle |
| Q6 | Crime and the Criminal Justice System |
| Q7 | Vital Statistics |
| Q8 | Family and Gender |
| R0 | Health and Health Care Facilities |
| R1 | Public Health |
| R2 | Acute Health Care |
| R3 | Long-Term Health Care |