PAIS - PAIS International from CSA has classified its 7,000 Subject Headings Authority File under 24 Broad Topics and 306 Subtopics.

The system defines PAIS International subject coverage of policy approaches in areas and issues of concern to governments, including economic, political, and social background information and statistics. The scope is international, with access at global, regional, national, and local levels.

Listed below are the 24 Broad Topics and their subdivisions. Click a link to see the subdivisions of a Broad Topic.

• Administration of justice (court system and law enforcement)
• Agriculture, forestry, and fishing and agricultural policy (see also "Environment and environmental policy")
• Banking and public and private finance (institutions, instruments, and operations)
• Business and service sector (types of business, business functions and practices; for agroindustry see "Agriculture, forestry, and fishing"; for power industries see "Energy resources and policy")
• Culture and religion (social and political perspective)
• Economic conditions and policy (see also "Banking and finance" and "Business and industry")
• Education and education policy (levels and types of education, institutions, personnel, administration, and students)
• Energy resources and policy (production, consumption, technology, and development, with sectoral analysis. See also "Environment and environmental policy")
• Environment and environmental policy (includes the natural and built environment. See also "Energy resources and policy" and "Agriculture, forestry, and fishing")
• Government (public administration, systems and structures of government, and conduct of policy)
• Health conditions and policy (public health, medical care, institutions, and insurance aspects)
• Human rights (violations and rights promotion)
• International relations (multilateral political and security issues which concern international bodies)
• Labor conditions and policy (labor market, labor movement, and working conditions)
• Law and ethics (divisions of the law and ethical approaches from a public policy perspective; excludes pure legal theory)
• Manufacturing and heavy industry (specific industries, types of industry, aspects of industry in general)
• Media, telecommunications, and information policy (print, broadcast, and multimedia; includes infrastructure and policy aspects)
• Military and defense policy (branches, administration, and planning)
• Politics (practice, consequences, and systems; for theory and policy see "Government and politics")
• Population groups, population policy, and demographics (see also "Social conditions and policy")
• Science and technology policy (excludes theory and methodology)
• Social conditions and policy (see also"Population groups, population policy, and demographics")
• Trade and trade policy (covers trade outside national boundaries)
• Transportation and transportation policy (modes of transport, planning, and innovations)