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  2. Birth rate - Wikipedia

    en.wikipedia.org/wiki/Birth_rate

    Birth rate, also known as natality, is the total number of live human births per 1,000 population for a given period divided by the length of the period in years. [1]

  3. How a Declining Birth Rate Will Affect Social Security and ...

    www.aol.com/declining-birth-rate-affect-social...

    One long-term effect of a declining birth rate could be a slowing economy. As the population expands, the economy has a larger workforce, which produces more goods and services. The net result is ...

  4. Human population planning - Wikipedia

    en.wikipedia.org/wiki/Human_population_planning

    Preventative checks" were factors which Malthus believed could affect the birth rate such as moral restraint, abstinence and birth control. [18] He predicted that "positive checks" on exponential population growth would ultimately save humanity from itself and he also believed that human misery was an "absolute necessary consequence". [ 19 ]

  5. What's Causing America's Birth Rate To Be Lower Than Ever? - AOL

    www.aol.com/news/whats-causing-americas-birth...

    Campbell’s story is just one part of a larger trend happening in the U.S.: America’s birth rate is lower than it’s ever been. Despite a small increase in 2021, there were fewer babies born ...

  6. Natality in population ecology - Wikipedia

    en.wikipedia.org/wiki/Natality_in_population_ecology

    Along with mortality rate, natality rate is used to calculate the dynamics of a population. They are the key factors in determining whether a population is increasing, decreasing or staying the same in size. Natality is the greatest influence on a population's increase. Natality is shown as a crude birth rate or specific birth rate.

  7. Demographic transition - Wikipedia

    en.wikipedia.org/wiki/Demographic_transition

    The birth rate decline in developed countries started in the late 19th century in northern Europe. [11] While improvements in contraception do play a role in birth rate decline, contraceptives were not generally available nor widely used in the 19th century and as a result likely did not play a significant role in the decline then. [11]

  8. Russia is speeding into a demographic crisis with a 25-year ...

    www.aol.com/finance/russia-speeding-demographic...

    “It [the birth rate] is now at a terribly low level—1.4 [births per woman]. This is comparable to European countries, Japan, and so on.” Russia has been tending toward a demographic crisis ...

  9. Income and fertility - Wikipedia

    en.wikipedia.org/wiki/Income_and_fertility

    In developed countries where birth control is the norm, increased income is likewise associated with decreased fertility. Theories behind this include: People earning more have a higher opportunity cost if they focus on childbirth and parenting rather than their continued career.