10 Most Populated Country in the World

As of the most recent census (October 2010), Japan's population is 128,057,352; for March 2012 the estimated population is 127,650,000 making it the world's tenth most populated country. Its size can be attributed to fast growth rates experienced during the late 19th and early 20th centuries.

The population of Russia was 143,030,106 as per the official estimate for January 1, 2012. The population hit a historic peak at 148,689,000 in 1991, just before thebreakup of the Soviet Union, but then began a decade-long decline, falling at a rate of about 0.5% per year due to declining birth rates and rising death rates. However, the decline began to slow considerably in recent years, and in 2009 Russia recorded annual population growth for the first time in 15 years, with growth of 23,300.

Bangladesh is largely ethnically homogeneous. Indeed, its name derives from the Bengali ethno-linguistic group, which comprises 98% of the population. Bengalis, who also predominate in the Indian state of West Bengal, are one of the most populous ethnic groups in the world. Variations in Bengali culture and language do exist of course. There are many dialects of Bengali spoken throughout the region. The dialect spoken by those in Chittagong and Sylhet are particularly distinctive. In July 2011 the population was estimated at 158 million. About 90% of Bangladeshis areMuslims and the remainder are mostly Hindus.

The most populous country in AfricaNigeria accounts for approximately one-sixth of Africa's people. Approximately 50% of Nigerians are urban dwellers. At least 24 cities have populations of more than 100,000. The variety of customs, languages, and traditions among Nigeria's 389 ethnic groups gives the country a cultural diversity. In July 2011 the population was estimated at  162,471,000 by the United Nations.

Pakistan's estimated population in 2011 is over 187 million making it the world's sixth most-populous country, behind Brazil and ahead of Bangladesh. During 1950–2011, Pakistan's urban population expanded over sevenfold, while the total population increased by over fourfold. In the past, the country's population had a relatively high growth rate that has, however, been moderated by declining fertility and birth rates. The population growth rate now stands at 1.6%.

Brazil, officially the Federative Republic of Brazil (PortugueseRep├║blica Federativa do Brasil, is the largest country in South America. It is the world's fifth largest country, both bygeographical area and by population with over 192 million people. It is the only Portuguese-speaking country in the Americas and the largest lusophone country in the world.


The population of Indonesia according to the 2010 national census is 237.6 million, with 58% living on the island of Java, the world's most populous island. Despite a fairly effective family planning program that has been in place since the 1960s, the population is expected to grow to around 254 million by 2020 and 288 million by 2050.

United States 
As of 2012, the United States has a total resident population of 313,332,000, making it the third most populous country in the world. It is a very urbanized population, with 82% residing in cities and suburbs as of 2008 (the worldwide urban rate is 50.5%). This leaves vast expanses of the country nearly uninhabited. California andTexas are the most populous states, as the mean center of United States population has consistently shifted westward and southward. New York City is the most populous city in the United States.

The demographics of India are inclusive of the second most populous country in the world, with over 1.21 billion people (2011 census), more than a sixth of the world's population. Already containing 17.5% of the world's population, India is projected to be the world's most populous country by 2025, surpassing China, its population reaching 1.6 billion by 2050. Its population growth rate is 1.41%, ranking 102nd in the world in 2010.


The demographics of the People's Republic of Chinaare identified by a large population with a relatively small youth division, which is partially a result of the China's one-child policy. The population policies implemented in China since 1979 have helped to prevent between 350 and 400 million more births. Today, China's population is over 1.3 billion, the largest of any country in the world. According to the 2010 census, 91.51% of the population was of the Han nationality, and 8.49% were minorities.

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