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Animated population pyramid 1982–2021. Those born during the World wars are marked in dark. Demographic features of the population of Italy include population density, ethnicity, education level, health of the populace, economic status, religious affiliations and other aspects.
Population of the present-day top seven most-populous countries, 1800 to 2100. Future projections are based on the 2024 UN's medium-fertility scenario. Chart created by Our World In Data in 2024. The following is a list of countries by past and projected future population. This assumes that countries stay constant in the unforeseeable future ...
The table below shows annual population growth rate history and projections for various areas, countries, regions and sub-regions from various sources for various time periods. The right-most column shows a projection for the time period shown using the medium fertility variant. Preceding columns show actual history.
World population pyramid from 1950 to projected in 2100 (UN, World Population Prospects 2017) A population pyramid (age structure diagram) or "age-sex pyramid" is a graphical illustration of the distribution of a population (typically that of a country or region of the world) by age groups and sex; it typically takes the shape of a pyramid when the population is growing. [1]
The questionnaires were frequently changed in the early history of the Population Census, but they were almost fixed by the 1970s. [75]: 148 Since then, they include 16–23 topics, with a small difference between the large-scale censuses and the simplified ones.
According to ISTAT, Italy's population is set to decline to 54.4 million people by 2050 from 59 million in 2022, when births dropped to a new historic low of under 400,000.
The table below assembles history and projections for the major regions shown. The numbers show total births minus total deaths per 1,000 population for the region for each time period. The first four columns show actual rate of natural increase. The remaining columns show projections using the medium fertility variant.
Graph of world population over the past 12,000 years . As a general rule, the confidence of estimates on historical world population decreases for the more distant past. Robust population data exist only for the last two or three centuries. Until the late 18th century, few governments had ever performed an accurate census.