World demographics 2020 population, age, sex, trends. This number is calculated using 7,763,035,303 people as the world population and 6,120,354 km 2 52,556,368 mi 2as earths total area. Barring a calamitous pandemic, a further increase in the worlds population from 7 to between 8. It animates the creation of a bar graph by shifting population from its location on the map to aggregate population levels by latitude or longitude increments.
There is considerable interest in the future distribution of human population. The current annual increase of world population is 81 million, lower than the peak level of 93 million in 1988. The current us census bureau world population estimate in june 2019 shows that the current global population is 7,577,400 people on earth, which far exceeds the world population of 7. World population density the world population density is 57. World population currently grows at 1 percent annually, having peaked at 2.
The northeast and great lakes regions have experienced far less rapid growth. World population map activity guide an introduction for teachers population education partnered with odt maps to bring you a 2015 edition of the world population map and a set of classroom activities to use the map as a launch pad for student exploration of global demographics and human development. Countries in the world by population 2020 this list includes both countries and dependent territories. In demographics, the world population is the total number of humans currently living, and was estimated to have reached 7. Higher population densities are also more prevalent in the global south, as in poorer countries transport infrastructure is less developed and housing used more intensively. The maps were created using population and area totals of districts. The sikh homeland is the punjab state, in india, where today sikhs make up approximately 61% of the population. World population growth this article is focusing on the history of population growth up to the present. Afghanistan africa albania algeria angola antigua and barbuda argentina armenia aruba asia australia australianew zealand austria azerbaijan bahamas bahrain bangladesh barbados belarus belgium belize. Factors influencing global population distribution. Global population distribution by continent 2019 statista. Population density is the number of people living in a particular area usually 1 square kilometre. Population density varies strikingly, with the greatest contrast occurring between the eastern half of china and the lands of the west and the northwest.
Places which are densely populated contain many people. This was followed by delhi india at over 28 million. Nearly ten years have passed since the first efforts to render population data. Chapter 2 spatial distribution and density of population. In 2018, japans capital tokyo had the largest population of the worlds capital cities at over 37 million people. More than half the people affected live in china and india.
On a surface area of little more than 23 per cent, asia alone accommodates more than 60 per cent. This is the sum of land and water areas within international boundaries and coastlines of all the countries in the world. Our widely referenced world population data sheet has been produced annually since 1962. The data includes both the percentage of and a country. As is revealed, there are three primary concentrations of humanity with outstandingly high population density. Distribution of the world s population by age and sex the world s younger and older populations, 2017.
The typical measure of population in relation to land area, that of population density, is often a meaningless one, since different areas vary considerably in their value for agricultural or other human purposes. It took over 200,000 years of human history for the world s population to reach 1 billion, and only 200 years more to reach 7 billion. Population characteristics 10 this chapter presents information on the density and distribution of gambias population. In the chart we see the world mapped based on the population of each countrys capital city. In 1990 it reached 6 billion people this rapid growth in population has been called a population explosion. The 2019 population density in the world is 52 people per km 2 4 people per mi 2, calculated on a total land area of 148,940,000 km2 57,506,032 sq. It animates the creation of a bar graph by shifting population from its location on the map to aggregate population levels by. Sikhs have emigrated to countries all over the world especially to englishspeaking and east asian nations. Population change the worlds population is growing very rapidly. The world population class 12 notes geography in pdf are available for free download in mycbseguide mobile app. That annual growth rate is expected to continue declining, reaching 0. Any part of the world map can be enlarged for detailed viewing. Pdf or denotes a file in adobes portable document format.
The population estimates and projections presented in the world population. In this example, the geographic projection indicates a mix of population density increase and. Up to a point, population growth can be accommodated. Distribution of the worlds population by age and sex.
Population population geographical distribution and urbanization. Past, current and projected future population growth is outlined. Population distribution is the spread of people across the world, ie where people live. The population distribution in cambodia in 1998 and 2008 is also represented in map 2. Population geographical distribution and urbanization. Projected growth of the global population today, the worlds population continues to grow, albeit more slowly than in the recent past. A study of population distribution school learning resources. Population genetics ecology in population genetics a sexual population is a set of organisms in which any pair of members can breed together. Select a countrys population characteristics using the world population data sheet. Ten years ago, the global population was growing by 1. Mar 26, 2019 the world population class 12 notes geography in pdf are available for free download in mycbseguide mobile app.
It shows an alternative view of the world based on population distribution. Excel or the letters xls indicate a document is in the microsoft excel spreadsheet format xls. The first one can be seen in south and southeastern parts of asia where world s two population giants china and india are located. The most important attributes of landforms which determine population density and distribution are the altitude and slope. Not surprisingly, the largest countries in the world in terms of population are china and india, with both countries now having populations of well over a billion. The more inflated the country, the more people live there and visa versa. Broadly, 90 per cent of the world population lives in about 10 per cent of its land area. The following series of short activities allows students to access a wealth of data on the world, regions, and. This statistic shows the distribution of the world population in 2019, by continent. It is important to note that most of the physical factors influence population distribution only indirectly through climatic conditions. We show how the world population grew over the last several thousand years and we explain what has been driving this change.
Places that are crowded have a high population density. In simple terms, population density refers to the number of people living in an area per square kilometre. World population problems the national academies press. Population distribution in 1969 the worlds population amounted to be about 3,616 millions, inhabiting more than 6 million square kilo meters of land. Coastal population trends show that the regions with warmer climatesthe southeast, gulf of mexico, and pacifichave grown most rapidly in recent decades and will continue to do so in the near future.
Pdf evaluating the total numbers of people at risk from infectious disease in the world requires not just tabular population data, but data that. The term population distribution refers to the way people are spaced over the earths surface. World population prospects population division the united nations. Dec 29, 2017 for the love of physics walter lewin may 16, 2011 duration. The world population why do people prefer to live in certain. Of note among demographic transformations in the world is the distribution by age. Countries in the world by population 2020 this list includes both countries and dependent. Where possible the maps are accompanied by a graph using population totals of. As is evident, population distribution in the world is marked with a great amount of variation. World population distribution places with few people have a low population density.
This interactive map shows how population is distributed by latitude or longitude. Learn how the world bank group is helping countries with covid19 coronavirus. The most important attributes of landforms which determine population density and distribution are. Population densities and latitudes and longitudes for more than two thousand regions of the nations of the world are collected. Mapping global urban and rural population distributions ciesin. That is why for example that saudi arabia is recorded as having a higher population density than the netherlands, because the builtup area of saudia arabia has a higher density of people despite the country including the vast arabian desert. Physical factors that affect population distribution include altitude and latitude, relief, climate, soils, vegetation, water and location of mineral and energy resources. Sep 20, 2019 which continent has the largest population.
This is the only place where sikhs are in the majority. While there has been a steady increase of population growth during the past two or three centuries, it has been especially. To view the file, you will need the adobe reader available free from adobe. To describe the factors influencing the density and distribution of population study the map to the right hand side carefully. Identify countries that rank highestlowest in a population indicator. World population prospects 2019 highlights population division. The united states comes in third with just under 325 million residents. Chinas complex natural conditions have produced an unevenly distributed population. Population size, birth rate, death rate, infant mortality rate, total fertility rate, life expectancy, age distribution. Distribution of the worlds population by age and sex the worlds younger and older populations, 2017. Estimates of gni are obtained from economists in world bank country units who rely primarily on official data published by the countries. It goes without saying that populations are scattered across space. Today, about 23 of the worlds population lives in asia, a figure dominated by india and china. Distribution of the worlds population by level of total fertility, 1990, 2019 and 2050.
The widely distributed 20102011 world resources report. Location reason sparse population dense population. The best app for cbse students now provides the world population class 12 notes geography latest chapter wise notes for quick preparation of cbse board exams and schoolbased annual examinations. Population division also organizes expert group meetings on various aspects of population ageing. Exceptionally high population densities occur in the yangtze delta, the pearl river delta, and on the chengdu. Data based on the latest united nations population division estimates. Dec 01, 2015 in part 3 of a 6part lecture, hans rosling explains the distribution of the worlds population today and what it will look like in the future. Students use population data for world regions to create a map of population distribution in year 1, describe the distribution of population in the year 1, and relate the patterns to. Population, sample and sampling distributions i n the three preceding chapters we covered the three major steps in gathering and describing distributions of data. With more than 50 countries, including the united states, scheduled to conduct a census in the coming year, this years data sheet focuses on censuses around the worldfrom the first known census by the babylonian empire to malawis census taking using tablet technology. World population 2019 wall chart notes the designations employed in this publication and the material presented in it do not imply the expression of any opinion whatsoever.
Decision making in a changing climate includes coastal population estimates from sedac. Prb projects world population rising 33 percent by 2050 to nearly 10 billion. Click on the name of the country or dependency for current estimates live population clock, historical data, and projected figures. Teachers are encouraged to have their students use the data sheet for a variety of topics and activities. World population is uneven as some places are considered.
Vast areas have hardly any people living in them whilst other areas seem to be very crowded. The world population class 12 notes geography mycbseguide. This means that they can regularly exchange gametes to produce normallyfertile offspring, and such a breeding group is also known therefore as a gamodeme. Not surprisingly, the largest countries in the world in terms of population are china and. We described procedures for drawing samples from the populations we wish to observe. To view the file, you will need the microsoft excel viewer available for free from microsoft. This chapter examines the spatial distribution of the population of. Researchers interested in the sustainability of groundwater depletion used sedacs gridded population of the world gpw v3 population count data for 2000 to find that approximately 1. Distribution in the world patterns of population distribution and density help us to understand the demographic characteristics of any area. This report is the fourth in the series world population ageing. Looking at the regional breakdown of the forecasts, we see that by 2100, africa and asia will be home to 4. Factors reposible for uneven distribution of population in the world 1. For the love of physics walter lewin may 16, 2011 duration. Chapter 2 spatial distribution and density of population 2.
Prbs world population data sheet is an excellent reference and data analysis tool. Places which are sparsely populated contain few people. Population pyramids of the world from 1950 to 2100. Spline functions are fit to the logarithms of the densities. In most countries of the world the geographic distribution of the population is not even with varying degrees of concentration of population giving rise to varying. Population distribution density change internet geography. The city statistics on this website use the urban centre boundaries 2015 from ghsl. It is frequently applied to living organisms, most of the time to humans. World population distribution by latitude and longitude. On the whole, the old world is more populous than the new world. This report presents the main topics covered in each session of the meeting as well as a summary of the papers. Several regions show a highly focal population distribution, with 90% of the population concentrated in less than 10% of the land surface, such as in south africa, namibia, and along the north and east coasts fig. Historical world population data johnstons archive. How is population distributed by latitude and longitude.
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