Migration

Urbanisation

Emigrant

Rural-to-urban migration

Industrialisation

Demographic Transition Model (DTM)

Push-pull factors

Dependency Ratio

HIV

Aids

Exponential Growth

Replacement Rate

Economic Migrant

Asylum Seekers

Life Expectancy

Immigrant

Country of Origin

Transmigration

Age Structure

Birth Rate (BR)

Under Population

Natural Decrease (ND)

Host Country

European Union (EU)

Gender Structure

Asian 'tiger'

Newly Industrialising Countries (NICs)

Infant Mortality

Child Mortality

Zero Growth

Natural Increase (NI)

Natural Change

Over Population

Optimum Population

Wave Frequency

Wave Crest

Wave Trough

Wave Steepness

Wave Period

Wave Energy

Fetch

Wave Length

Flow Resources

Critical

Non-critical

Stock Resources

Fossil Fuel

Energy Surplus

Energy Dependency

Energy Mix

Geopolitics

Trans-National Corporations (TNCs)

Sustainable Development

Appropriate Technology

Reserve

Recoverable Reserves

Speculative Reserves

Primary Energy Source

Secondary Energy Source

Energy Security

Energy Gap

Energy Poverty