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Sex ratio by country for total population. Blue represents more males than the world average of 1.07 males/females. (2020) The human sex ratio is the comparative number of males with respect to each female in a population. This is a list of sex ratios by country or region.
Blue represents more men and boys, red more women and girls than the world average of 1.01 males/female. Sex ratio by country for the over-65 population. Blue represents more men, red more women than the world average of 0.81 males/female. The human sex ratio is the ratio of males to females in a population in the context of anthropology and ...
The current world population growth is approximately 1.09%. [5] People under 15 years of age made up over a quarter of the world population (25.18%), and people age 65 and over made up nearly ten percent (9.69%) in 2021. [5] The world's literacy rate has increased dramatically in the last 40 years, from 66.7% in 1979 to 86.3% today. [13]
The net reproduction rate (R 0) is the number of surviving daughters per woman and an important indicator of the population's reproductive rate. ... World: 1.035 ...
As of 2020, the global sex ratio is approximately 1.01 males to 1 female. [72] Approximately 24.7% of the global population is aged under 15, while 65.2% is aged 15–64 and 10.1% is aged 65 or over. [72] The median age of the world's population is estimated to be 31 years in 2020, [9] and is expected to rise to 37.9 years by 2050. [73]
The tertiary sex ratio is equivalent to the adult sex ratio (ASR), which is defined as the ratio of adult males to females in a population. [ 6 ] [ 7 ] The operational sex ratio (OSR) is the ratio of sexually active males to females in a population, and is therefore derived from a subset of the individuals included when calculating the ASR. [ 7 ]
Gender parity is a statistical measure used to describe ratios between men and women, or boys and girls, in a given population. Gender parity may refer to the proportionate representation of men and women in a given group, also referred to as sex ratio , or it may mean the ratio between any quantifiable indicator among men against the same ...
Russia has one of the world's most female-biased sex ratios, with 0.859 males to every female, [15] due to its high male mortality rate. [72] In 2019, the overall life expectancy in Russia at birth was 73.2 years (68.2 years for males and 78.0 years for females), [73] and it had a very low infant mortality rate (5 per 1,000 live births). [74]