The 2019 revision also presents population projections from the present until 2100, depicting a range of possible or plausible outcomes at the global, regional and country levels.
According to the UN's population projection the population of India is expected to reach 1.68 billion in 2060 and the country is then expected to be the most populous country in the world.
The 2019 revision also presents population projections from the present until 2100, depicting a range of possible or plausible outcomes at the global, regional and country levels.
According to the UN's World Population Prospects: 2015 Revision report1, the number of people aged 65 years or over has increased substantially in recent years in most countries, and is set to rise further in the future.
Normally, the total fertility rate(average number of children a woman will bear over her lifetime)is used as an index for population projections. However, if the number of women of child-bearing age declines, even a rise in the fertility rate would not lead to an increase in the actual number of babies born.
The term aging used above shouldnot be confused with the technique used in population projection, which consists of aging 7 a population by applying survival probabilities(431-6) by age to determine the number of survivors at a later date.
I worked on population projections, economic and fiscal frameworks, industry structure predictions, and supply and demand structures for transportation and distribution. I also handled lots of projects that entailed building quantitative models based on analyses of huge amounts of data owned by government offices, running simulations for future administrative structures, and designing various kinds of social infrastructure.
The report,“Children, HIV and AIDS:The World in 2030,” noted that based on population projections, and at current trends, the number of 19 year-olds newly-infected with HIV will reach an estimated 270,000 in 2030, decreasing by one third over current estimates.
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