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The citation link will point to the first Harvard reference in the References section that matches both the author(s) and publication date (see examples below). Both the in-text citations and the references at the bottom of the page have format rules. For a full description of their format with examples, see Harvard referencing.
The Population Reference Bureau (PRB) ranking list is based on the data of the 2024 World Population Data Sheet [6] published online. The PRB [ 7 ] is a private, nonprofit organization which informs people around the world about population, health and the environment for research or academic purposes.
The following list sorts countries and dependent territories by their net reproduction rate. The net reproduction rate (R 0) is the number of surviving daughters per woman and an important indicator of the population's reproductive rate. If R 0 is one, the population replaces itself and would stay without any migration and emigration at a ...
A 2022 meta-analysis reported that this decline extends to non-Western countries, namely those in Asia, Africa, Central America, and South America. [5] This meta-analysis also suggests that the decline in sperm counts may be accelerating. [5] This decline in male fertility is the subject of research and debate.
In the author–date method (Harvard referencing), [4] the in-text citation is placed in parentheses after the sentence or part thereof that the citation supports. The citation includes the author's name, year of publication, and page number(s) when a specific part of the source is referred to (Smith 2008, p.
Walter C. Willett (born June 20, 1945) [1] is an American physician and nutrition researcher. He is the Fredrick John Stare Professor of Epidemiology and Nutrition at the Harvard School of Public Health and was the chair of its department of nutrition from 1991 to 2017.
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The fertility in the Eastern Caucasus is fairly stable, although decreasing. The figures given are from the 2021 census; the lowest birth rate recorded in Russia was in 1999, it increased thereafter and the birth rate is 9.6 in 2021 compared to 8.7 in 1999. [1]