For millennia, the human population grew very slowly, probably about 0.04 percent per year through the eighteenth century. Population growth accelerated in the nineteenth century due to advances in health care, nutrition, and public sanitation. By 1800, the population was about 1 billion people. The rate of population growth rapidly accelerated in the 20th century, reaching about 2 percent per
In another article, I explored the relationship between per capita energy use and Gross Domestic Product (GDP) per capita, the latter being the most common metric of material well-being. Here I use another measure called Gross National Income (GNI) which calculates income instead of output. Gross national income is defined as GDP plus abroad compensation of employees who are residents, property
For millennia, the human population grew very slowly, probably about 0.04 percent per year through the eighteenth century. Population growth accelerated in the nineteenth century due to advances in health care, nutrition, and public sanitation. By 1800, the population was about 1 billion people. The rate of population growth rapidly accelerated in the 20th century, reaching about 2 percent per
In another article, I explored the relationship between per capita energy use and Gross Domestic Product (GDP) per capita, the latter being the most common metric of material well-being. Here I use another measure called Gross National Income (GNI) which calculates income instead of output. Gross national income is defined as GDP plus abroad compensation of employees who are residents, property
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