The term demographic transition refers to the shift in a population's birth and death rates over time, resulting in a change in the population's age structure and overall growth rate. It is a process that typically occurs as a country or region develops economically and socially, leading to changes in patterns of fertility, mortality, and migration.
Demographic transition is a key concept in population studies and is often used to understand and predict the future population size and characteristics of a given area. It is based on the observation that, in the early stages of development, birth and death rates tend to be high and relatively stable. As a society becomes more industrialized and urbanized, and as living conditions improve, death rates tend to decline, due in large part to advances in healthcare and sanitation. At the same time, birth rates may also decline due to increased access to education, contraception, and other factors that empower individuals to control their fertility.
As a result of these changes, the population experiences a period of rapid growth, known as the demographic transition's "population explosion" stage. This growth is eventually slowed or halted as the population reaches a more stable equilibrium, known as the "demographic transition's population stabilization" stage.
Demographic transition can have significant impacts on a society's economic and social structure, as well as its environment. Rapid population growth can put pressure on natural resources, infrastructure, and social services, while declining birth and death rates can lead to an aging population with different needs and challenges. Understanding and anticipating these changes can help policymakers and communities plan for the future and address the potential consequences of demographic transition.
Social group
Retrieved 5 December 2017. Retrieved November 14, 2011. Members of this cohort were less likely to be homeowners than their elders had at the same age. A 2017 study conducted by the Pew Research Center on 70 countries showed that between 2010 and 2015, among people aged 15 to 29, the irreligious grew by 23%, Muslims 0. Short run responses in fertility and mortality can be attributed to cycles in weather or harvests or possibly to other exogenous variables using time series statistical methods, such as vector-auto-regression. Retrieved 28 June 2021.
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They cannot own homes or land and are barred from becoming lawyers, engineers and doctors. Insurance companies can offer additional services at an extra cost over and above the universal system laid down by the regulator, e. Frontiers in Environmental Science. Today's 21-year-olds, who were born in 1982 and are part of the leading edge of Generation Y, are among the most-studied group of young adults ever. An absolute submission of a wife to her husband is accepted as natural in many parts of the world, for instance surveys by UNICEF have shown that the percentage of women aged 15—49 who think that a husband is justified in hitting or beating his wife under certain circumstances is as high as 90% in Afghanistan and Jordan, 87% in Mali, 86% in Guinea and Timor-Leste, 81% in Laos, 80% in Central African Republic. Oxford, Oxford University Press, 1987. Completed Suicide After a Suicide Attempt: A 37-Year Follow-Up Study.
Carbon footprint
Population pyramids for the USA, 1900, 1950, and 2000, by gender for white and black populations. Thus, better technology for these vehicles to avoid leakage as well as technologies that reduce their use would be beneficial. The supply of long-term care shifts from informal care provided by the extended family to formal care paid for, at least in part, by the government. Retrieved 13 March 2019. According to the United Nations, in 2018, there were 112 Chinese males aged 15 to 29 for every hundred females in that age group. Millennials Rising: The Next Great Generation. Nevertheless, differences between broad categories of countries, for example, the Nordic countries compared with Southern Mediterranean countries, are indicative of the impact of distinct political cultures and policy contexts across industrialised nations.
