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English life expectancy at birth reached 41 years in the 1840s, 43 in the 1870s and 46 in the 1890s, though infant mortality remained at around 150 per thousand throughout this period. Life expectancy in 1800, 1950, and 2015 – visualization by Our World in Data.
Doomsday Clock. The Doomsday Clock is a symbol that represents the likelihood of a human-made global catastrophe, in the opinion of the members of the Bulletin of the Atomic Scientists. [1] Maintained since 1947, the clock is a metaphor, not a prediction, for threats to humanity from unchecked scientific and technological advances.
As of 2009, the average birth rate (unclear whether this is the weighted average rate per country [with each country getting a weight of 1], or the unweighted average of the entire world population) for the whole world is 19.95 per year per 1000 total population, a 0.48% decline from 2003's world birth rate of 20.43 per 1000 total population.
Until 2017, the clock only used whole minutes; that year, it changed to two-and-a-half minutes to midnight. In 2020, it switched to seconds: then it was 100 seconds, and last year it became 90 ...
In world demographics, the world population is the total number of humans currently alive. It was estimated by the United Nations to have exceeded eight billion in mid-November 2022. It took around 300,000 years of human prehistory and history for the human population to reach a billion and only 218 years more to reach 8 billion.
This list of countries by life expectancy provides a comprehensive list of countries alongside their respective life expectancy figures. The data is differentiated by sex, presenting life expectancies for males, females, and a combined average.
Following the failure of the prediction for 1 January 1000, some theorists proposed that the end would occur 1000 years after Jesus' death, instead of his birth. [22] [32] 1200–1260 Joachim of Fiore: This Italian mystic determined that the Millennium would begin between 1200 and 1260. [33] 1284 Pope Innocent III
Crude mortality rate refers to the number of deaths over a given period divided by the person-years lived by the population over that period. It is usually expressed in units of deaths per 1,000 individuals per year. The list is based on CIA World Factbook 2023 estimates, unless indicated otherwise.