Increased wealth in Europe, and later North America, because of the Industrial Revolution, meant that more money and resources could be devoted to medicine, medical technology, water sanitation, and personal hygiene. The Industrial Revolution brought with it a variety of technological improvements in agricultural production and food supply. STAGE 2: HIGH GROWTH RATEĪround the mid-1700s, global populations began to grow ten times faster than in the past for two reasons: The Industrial Revolution and increased wealth. While this transition allowed for more stable food production and village populations to grow, War and disease prevented population growth from occurring on a global scale. During this time, humans learn to domesticate plants and animals for personal use and became less reliant on hunting and gathering for sustenance. However, around 8,000 BC, the world’s population began to grow dramatically due to the first agricultural revolution. However, the natural increase of the world was pretty stable because the CBRs and CDRs were about equal. In this first stage, CBRs and CDRs fluctuated significantly over time because of living conditions, food output, environmental conditions, war, and disease. We have lived in the first stage of the Demographic Transition Model for most of human existence. Though controversial, the DTM is used as the benchmark for forecasting human population growth regionally and globally. This can help geographers, and other scientists examine the causes and consequences of fertility, mortality, and natural increase rates. ![]() Developed in 1929 by American demographer Warren Thompson, the DTM’s function is to demonstrate the natural sequence of population change over time, depending on development and modernization. ![]() Human geographers have determined that all nations go through a four-stage process called the demographic transition model (DTM).
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