People
Coined the term ecological footprints.
William Rees
According to Gretchen Rubin, individuals with this tendency adhere to external expectations, but not internal ones.
Obliger
The census that was the first with a national paid advertising campaign.
2000
Country with a stationary pyramid profile.
Ukraine
The fourth most populous country in 2025.
Indonesia
The man who ran a year long experiment to have no impact on the environment.
Colin Beavan
The systematic or scientific study of social life, social change, and the social causes and consequences of human behavior.
Sociology
There are this many official stages in demographic transition theory.
4
The country from our portfolio with the longest doubling time (does not apply to a country with a negative growth rate).
Brazil
The country with the highest growth rate.
South Sudan
Introduced the term sociological imagination in 1959.
C. Wright Mills
The study of the size, composition, growth, and distribution of human populations.
Demography
The period between 1900 – 1999 when world population increased from 1.6 billion to 6.1 billion is referred to as this.
Population explosion
Country from the portfolio with the lowest population count.
Costa Rica
The country with the third highest median age.
Japan
Conceived the concept Earth Overshoot Day.
Andrew Simms
A perspective that takes us above our day-to-day interactions to show us the big picture of how the social forces affects individual choices.
Sociological Imagination
The greatest period of population growth in U.S. history.
1990s.
Ethiopia
The country with the highest total fertility rate.
Niger
First coined the term ethnocentrism
Ludwig Gumplowicz
Occur within the character of the individual; with self and areas of social life directly under the individual’s control; a private matter
Personal troubles
The first U.S. Census was in this year.
1790
Country from the portfolio with the highest elderly age dependency ratio.
Italy
The eighth country with the highest rate of natural increase.
Chad