Aging, greying, and senescence are all terms used to describe the process of a population becoming older.

Japan has the highest proportion of elderly people (aged 65 and above) in the world, with over 28% of its population in this age group.

An aging population can lead to increased healthcare costs, a declining workforce, and increased poverty rates.

Diversification, heterogenization, and pluralization are all terms used to describe the process of a population becoming more diverse.

The United States has the most diverse population in the world, with over 20% of its population foreign-born.

A diverse population can lead to increased social tensions, difficulty in providing public services, and increased crime rates.

Urbanization, metropolization, and suburbanization are all terms used to describe the process of a population becoming more urbanized.

Monaco has the highest urbanization rate in the world, with over 100% of its population living in urban areas.

Urbanization can lead to increased pollution, increased traffic congestion, and increased crime rates.

Educational attainment, human capital accumulation, and skill formation are all terms used to describe the process of a population becoming more educated.

Japan has the highest educational attainment rate in the world, with over 90% of its population having completed secondary school.

An educated population can lead to increased unemployment rates, increased income inequality, and increased social unrest.

Technological change, technological progress, and technological innovation are all terms used to describe the process of a population becoming more technologically advanced.

The United States is the world leader in technological innovation, with over 30% of the world's patents being filed in the United States.

Technological change can lead to increased job displacement, increased income inequality, and increased environmental degradation.