Countries in the world by population (2021)
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The current US Census Bureau world population estimate in June shows that the current global population is 7,, people on earth, which far exceeds the world population of 7. Our own estimate based on UN data shows the world's population surpassing 7.
China is the most populous country in the world with a population exceeding 1. What is the population in the world today is one of just two countries with a population of more than 1 billion, with India being the second. As ofIndia has a population of over 1. By the yearthe country of India is expected to become the most populous country in the world. The next 11 countries that are the most how to make bread sandwich in microwave oven in the world each have populations exceeding million.
Of these nations, all are expected to continue to grow except Russia and Japan, which will see their populations drop by before falling again significantly by Many other nations have populations of at least one million, while there are also countries that have just thousands.
The smallest population in the world can be found in Vatican Citywhere only people reside. Every five years since the s, the population how to apply iron on letters rate has continued to fall.
Bythe population will exceed 8 billion. Inthis number us grow to more than 9 billion. The current annual population growth estimates from the United Nations are in the millions - estimating that over 80 million new lives are added each year. This population growth will be significantly impacted by nine specific countries which are situated to contribute to the population growth more quickly than other nations.
Particularly of interest, Iz is on track to overtake China's position as the most populous country by the year Additionally, multiple nations within Africa are expected to double their populations before fertility rates begin to slow entirely. Global life expectancy has also improved in recent years, increasing the overall population life expectancy at birth to just over 70 years of age. The projected global life expectancy is only expected to continue to improve - reaching nearly 77 years th age by the year Population aging has a massive impact on the ability of the population to maintain what is called a support ratio.
One key finding from is that the majority of the world is going to face considerable growth in the 60 plus age bracket. This will put enormous strain on the younger age groups as the elderly population is becoming so vast without the number of births to maintain a healthy support ratio. Although the number given above seems very precise, it is important to remember that it is just an estimate.
It simply isn't possible to be sure exactly how many people there are on the earth at any one time, and there are conflicting estimates of the global population in Some, including the UN toady, believe that a population of 7 billion was reached in October Others, including the US Census Bureau and World Bankhow do doctors test for lactose intolerance in babies that the total population of the world reached worrld billion inowrld March or April.
What will the world look like in ? According to World Population Prospects, the global population in will be around 9. The United States currently is the third most populated country in the world, but is expected to drop to fourth most populated by Instead, fast-growing Nigeria will become the third most populated country by with its current growth rate of 2.
Vatican City is predicted to continue being the least populated country in the world in It currently has a negative growth rate and is predicted to have people by Trends are pointing towards the most populated countries reaching their capacities and slowing down their population growths.
Meanwhile, less populated countries with developing industries and technologies will see a boom in population growth, which are similar factors that allowed the recent growth of India and China in the last century.
The diffusion of health developments and technology how to compression check engine increase the global population overall.
The population will be aging because of a declining fertility rate as well, for individuals have more access to birth control and family planning.
Many predictions for the year are still unknown as we still wait to see the impact of how to heat a sunroom in the cold winter, artificial intelligence, and environmental changes.
If the global population is growing overall, we will face more constrained resources until technology can overcome any production shortages or environmental damage. As of the beginning ofthe world population is approximately 7.
Many researchers have tried breaking this population down into different racial groups, but each nation measures different ethnic and tge components in different ways. Therefore, specific statistics and racial demographics of the world population as a whole are difficult to find as countries have not found a way to consolidate their findings or compromised in measuring the same single indicator of race.
For example, some racial groupings are determined by physical differences like skin tone, hair color, and other facial features. Race is to not be confused with ethnicity, which is shared cultural populagion.
The main difference between race and ethnicity is that race is inherited genetic traits while ethnicity is a set of customs, language, and practices that are learned and passed down from generation to generation.
Many countries measure their diversity through data on race, ethnicity, or a combination or variation of both. For instance, the United States includes otday as self-identified data that reflects a social definition rather than a biological or anthropological one. Meanwhile, other countries may use different measures of ethnic how to clean a shredder, such as English, German, East Indian, etc.
Throughout most of history, the world's population has been much smaller than it is now. Before the invention of agriculture, for example, the human population was estimated to be around 15 million people at most. The introduction of agriculture and the gradual movement of humanity into settled communities saw the global population increase gradually to around million by AD 0. To give you an idea of scale, the Roman Empire, which many regard as one of the strongest empires the world has ever seen, probably contained only around 50 million people at its height; that's less than the number of people in England today.
It wasn't until the early 19th century that the world population reached its rhe big milestone: 1 billion people. Then, as the industrial revolution took hold and living standards improved, the rate of population growth increased considerably.
Over the next hundred years, the population of the world doubled, reaching 2 billion in the late s. The 20th century, however, is where population growth really took off, and over the past years, the planet's population has more than tripled in size. This massive increase in human population worod largely due to improvements in diet, sanitation and medicine, especially compulsory vaccination against many diseases.
Most people agree that population increases will continue, but there are arguments about the rate of increase, and even a few people who believe population decreases are likely. You can see some example trends in this graph.
The United Nations has gradually been revising its predictions downwards, and what is the population in the world today believes that the world population in will be around 9 billion. It believes that, as the world grows steadily richer and the average family size decreases, growth tiday steadily slow and eventually stop.
However, others believe that todya, inequality and continued urbanization will encourage steadily increasing growth, particularly in countries in Africa and parts of Asiatdoay growth is already much higher than the global average. A few scientists even believe that populations will decrease. Some believe that gradual increases in living standards will result in similar patterns to those in Western Europewhere birth rates are declining rapidly.
Others believe that the current world population is unsustainable, and predict that humanity will simply not be able to produce enough food and oil to feed itself and sustain our industrial economy.
Although the population of the world increases daily, population growth rate has been declining over the last century. The annual growth rate of the world population in is around 1. World Population Clock. Choose Year to Display Below: World Population History B.
Year Population Annual Growth Rate 4, 5, 0. Here's a timeline of the world population growth milestones: Year 1: million Year million Year million Year million Year million Year 1 billion Year 1. World Population History Chart. World Population Growth Chart.
Year Population Annual Growth Rate 7,, 1. Year Population Annual Growth Rate 8,, 0. Current Events. Additional Resources. Historical Estimates of World Population. Saint Vincent And The Grenadines.
Top 5 death causes in the World
U.S. Population. The U.S. population clock is based on a series of short-term projections for the resident population of the United States. This includes people whose usual residence is in the 50 states and the District of Columbia. 11 rows†∑ Aug 06, †∑ World population - is the total number of humans currently living in the World. As of today. Feb 18, †∑ In , the world population passed the six-billion mark. By February , the official world population had jumped over the seven-billion mark to an estimated billion, according to Worldometers, a world statics website operated by an international .
Source: deathmeters. World population - is the total number of humans currently living in the World. As of today, the total population of the world is around 7. The first billion was reached around and in just years we reached 7 billion. According to Population Division of United Nations Department of Economic and Social Affairs , these are the main milestones: 1 billion - 2 billion - in years 3 billion - in 33 years 4 billion - in 14 years 5 billion - in 13 years 6 billion - October 12, in 12 years 7 billion - October 31, in 12 years World population is expected to reach 8 billion people in according to our estimates.
Currently, the world population is increasing by more than 90 million per year. The Global sex ratio is 1. It means that we have slightly more men then women. The median age of the world's population is estimated to be 31 years in There are just 2 countries in the world with a population more than 1 billion people: China and India. Despite the fact that China is curently the most populous country in the world, India's population growths much faster.
And in India is expected to become the most populous country in the world. More than half of the world's population identify with a religious group. This list includes 20 most populous countries in the World. Approximately 5. See also: Full List of countries and dependent territories of the World by population. World population The population of the world is projected to increase by 96,, people in and reach 7,,, in the end of the year.
The natural increase is expected to be positive, as the number of births will exceed the number of deaths by 96,, According to our estimations, daily change rates of world population in will be the following:. As of 1 January , the population of the world was estimated to be 7,,, This is an increase of 1. In the natural increase was positive, as the number of births exceeded the number of deaths by 94,, Since the Earth's total area is about million square kilometers, the world population density can be calculated in several ways:.
List of countries by surface area and density by United Nations Statistics Division Map and list of the world by density of population at worldstat. Source: Pew Research Center. The Global Religious Landscape. Number of followers estimated by Countrymeters January 1 As of the beginning of according to our estimates the world had the following population age distribution:.
We prepared a simplified model of the population distribution pyramid which is broken down into 3 main age groups. The groups are the same as we used above: population under 15, between 15 and 64 and population which is over 65 year old. As we can see the World population pyramid has an expanding type. This type of pyramid is common for developing countries with declining fertility rate but still high birth and death rates.
Life expectancy at birth is one of the most important demographic indicator. It shows the number of years a newborn infant would live assuming that birth and death rates will remain at the same level during the whole lifetime.
According to Population Division of the Department of Economic and Social Affairs of the United Nations, life expectancy at birth for the world as a whole increased from 65 years in to 70 years in Although wide disparities persist such that the average length of life in Africa in , for example, is 12 years shorter than the global average and 21 years shorter than in Northern America - see figure below. According to our estimates 4,,, persons or Accordingly about ,, adults are illiterate.
Literacy rate for adult male population is Literacy rate for adult female population is Youth literacy rates are The overall youth literacy rate is Youth literacy rate definition covers the population between the ages of 15 to 24 years. The data is given as of 1st of July of an year medium fertility variant.
World population live 7,,, Contents Top 5 death causes clock World population clock Top 20 countries Population in Demographics in Population density Global religions Global age structure Global life expectancy Global literacy World historical population Population projection. Top 5 death causes in the World today This year Coronary artery disease Connecting. Top 20 most populous countries 1 China 1,,, World population Demographics of the World As of 1 January , the population of the world was estimated to be 7,,, World population density The world population density is This number is calculated using 7,,, people as the world population and ,, km 2 52,, mi 2 as Earth's total area.
This is the sum of land and water areas within international boundaries and coastlines of all the countries in the world. Since the Earth's total area is about million square kilometers, the world population density can be calculated in several ways: This includes all continental and island land area as well as Antarctica. The area in that case is ,, km 2 58,, mi 2. The area in that case is ,, km 2 52,, mi 2. See also: List of countries by surface area and density by United Nations Statistics Division Map and list of the world by density of population at worldstat.
Religion of the World Religion Number of followers Percentage of total population Christianity 2,,, Global age structure As of the beginning of according to our estimates the world had the following population age distribution: World life expectancy Life expectancy at birth is one of the most important demographic indicator. Figure: Life expectancy at birth by major areas.
Global literacy According to our estimates 4,,, persons or World historical population - The data is given as of 1st of January of an year.