Unit 5: Human Population Dynamics // Visuals

Animation(s)

NOAA's nighttime lights of the world data set: The Nighttime Lights of the World data set, compiled by NOAA in 1994 and 1995, is a globally consistent data set which can be used by demographers to compare urban boundaries. View animation
The world's population in Texas: One social scientist has calculated that all 6.5 billion people in the world could be sustained in the state of Texas. View animation

Photograph(s)

Gully erosion from over cultivation, Sahel, West Africa: Rapid population growth in the Sahel, where most people depend on agriculture for a living, is stressing limited soil and water resources. View image
Indian girls making tea, village of Than Gaon: Indoor air pollution is a major public health burden for poor families in less-developed countries. View image
Land conversion for grazing in the Amazon rainforest: Clearing land for agriculture reduces the Amazon region’s ability to sequester carbon from the atmosphere, thus furthering global climate change. View image
Poster advertising China's one-child policy, 1980s: Coupled with a preference for sons over daughters, China's one-child policy has promoted relatively high male-female ratios. View image
Shanty town in Manila beside Manila City Jail: Access to safe water and sanitation are two of the most fundamental indicators of public health. View image
Warning on a pack of British cigarettes: Tobacco use is a leading cause of preventable deaths worldwide. View image
Woman supervising 25 employees at the Vegetable Dehydrates Factory, Parwan Province, Afghanistan: The economic well-being of families typically rises when women have access to good wage-paying jobs. View image
Youths installing solar panels to power a rural computer center, S?o Jo?o, Brazil: Many clean energy applications are not limited to more-developed countries, but can also be used in rural and other areas that lack modern infrastructure. View image

Graphic(s)

Adult HIV/AIDS rates in Africa, 2000: Widespread HIV infection in sub-Saharan Africa is changing the region's demographic structure and impinging on its economic performance. View image
Life expectancy: Gains in life expectancy are making Social Security and medical care programs more important than ever for the well being of the elderly. View image
Life expectancy at birth, age 65, and age 75, United States, 2000: Life expectancy for a female born in the United States in 2004 was about 80 years, but a woman who already lived to age 75 at that point would have survived vulnerable phases in her earlier life and could be expected to live well into her 80s. View image
Past world population growth: Before the 19^th century, world population grew very slowly because high fertility was offset by high mortality. Improvements in population health, triggered partly by the industrial revolution, ushered in a period of rapid population growth. View image
Population growth rate: The pace at which population growth rates decline in coming decades will determine the peak size of Earth's population. View image
Ratio of working age to non-working age population: Many developing countries have an opportunity to reap a demographic dividend in the coming decades if they can provide education and job opportunities for young workers. View image
The demographic transition: The demographic transition is a widely-observed phenomenon, although its onset and duration vary by country. View image
The world's largest cities in 2015: The world's largest cities will increasingly be located in less-developed countries. View image
Total fertility rate: In many less-developed countries, declining fertility rates over the past 50 years represent an important population success story. View image
World population: World population is rising, but the rate of increase is declining as less-developed countries pass through the demographic transition. View image

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