Category Archives: Demography

Which Countries Have the Most Catholics Now ?

The world is full of people belonging to various religions, casts or creeds. Depending on the beliefs and religious traditions, people have adopted various religions corresponding to their ancestors. Few of the significant religions in the world include Islam, Christianity, Jewish and etc. The percentage of Catholicism in the world is comparatively high and they are in majority. About half of the total population in the world belongs to Catholic beliefs that are called the Christians. The followers of Jesus (Hazrat Eesa (R.A) in Islam) are basically the catholic people. Christianity has been the most dominant in terms of total religious population. but the Islamic religion is the strongest and powerful of all of them. The usual events in Christianity include Easter, Christmas Day and various others like these. The fasting period of Christians is a 24 hour period in which they spend the time without eating or drinking something just for the sake of Jesus.
From time to time, the percentage of Catholic population has increased tremendously. From the Pew Research Center report in 2010, the total catholic population has increased to a great margin. Over the past century, Catholics population has increased by three time, from an estimated 291 million in 1910 to nearly 1.1 billion as of 2010. Catholics still comprise about half (50%) of Christians worldwide and 16% of the total global population. By 2010, by contrast, only about a quarter of all Catholics (24%) were in Europe. The largest share (39%) was in Latin America and the Caribbean. In several countries with large Catholic populations, the share of the populace identifying as Catholic has declined over the last decade. Brazil has the largest Catholic population in the world having two-third self-identified Catholics in 2010. Mexico, the country with the second-largest Catholic population in the world with 85% adherents in 2010. Given below is the ten countries which have most catholic population in 2010.

Rank Country Total Catholic Population Catholic Population Percentage Percentage of World’s Catholic Population
1 Brazil 126,750,000 65 11.7
2 Mexico 96,450,000 85 8.9
3 Philippines 75,57,000 81 7
4 United States 75,380,000 24.3 7
5 Italy 49,170,000 81.2 4.6
6 Colombia 38,100,000 82.3 3.5
7 France 37,930,000 60.4 3.5
8 Poland 35,310,000 92.2 3.3
9 Spain 34,670,000 75.2 3.2
10 Congo 31,210,000 47.3 2.9

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Ten Countries with Highest Number of Christians

Christians are by far the world’s largest religious group who are also geographically widespread – so far-flung, in fact, that no single country or region can indisputably claim to be the center of global Christianity. They form a majority of the population in 158 countries and territories, about two-thirds of all the countries and territories in the world. About 90% of Christians live in countries where they are in the majority; only about 10% of them worldwide live as minorities. It is estimated that nearly 2.18 billion catholic population are spread over 200 countries around the world, accounted for nearly a third of the estimated 2010 global population of 6.9 billion.

The number of Christians around the world has nearly quadrupled in the last 100 years, from about 600 million in 1910 to more than 2 billion in 2010. However Christianity’s share of the world’s population remained almost same since the world’s population increased proportionally. Although Europe and the Americas still are home to a majority of the world’s Christians (63%). Today, countries with highest population of catholic are American where 37% adherents are residing. while, only about a quarter of them live in Europe (26%). About one in every four Christians lives in sub-Saharan Africa (24%), and about one-in-eight is found in Asia and the Pacific (13%).

Almost half (48%) of all Christians live in the 10 countries with the largest number of Christians. The three countries with their highest populations – the United States, Brazil and Mexico – are in the Americas. Together, these three countries alone account for nearly one in every four Christians in the world (24%). Two are in Europe (Russia and Germany), two are in the Asia-Pacific region (the Philippines and China), and three are in sub-Saharan Africa (Nigeria, Democratic Republic of the Congo and Ethiopia), reflecting Christianity’s global reach. Brazil has world’s highest population of Christians, having more than twice as many Catholics as Italy. Listed below are ten countries with the largest number of Christians.

Ten Countries with Highest Number of Christians

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Top 10 Largest Cities in the World by Population

Cities are notable for their large size, populous community,  modern facilities plus large economic activities but growth of city’s population causes many challenges which generate a need of effective management to keep new opportunities opened for economic development and easy availability of basic services like health care and education in accordance with population. Overcrowding may lead to problem related to transportation and sanitation which make thing more worse for which authorities try to have equal dispersion of population for providing public services in best way. The continuing migration from rural to cities will bring profound changes to size and distribution of the world’s population. About 54% people of the world living in urban areas in 2014. In 1950, cities were occupied by 30% people of the world. Based on current projection it is estimated that 66% people of our planet will reside in cities in 2050. Nearly 90% of such growth is concentrated in Asia and Africa. Approx, one in eight reside in the 28 populous-cities of 10 million population or more. In past, world’s largest metropolitan areas were only found in the more developed countries but now they are concentrated in the Asia and Africa and number of largest and populous cities has nearly tripled since 1990. India, China and Nigeria together are anticipated to account for 37% of the expansion of the urban population between 2014 and 2050. At the same time, most cities of low-fertility countries of Asia and Europe are experiencing huge decline as a result of economic contraction and natural calamities. The 2014 revision of the World Urbanization Prospects provides complete information about population growth and trends in top populous cities of the world, Statistics on them are important for making successful planning for equitable and sustainable development of urban areas.

Top 20 Largest Cities of the world by population

Trends of largest cities of the world

Tokyo is the world’s largest city with 38 million residents. By 2020, City’s population is estimated to begin to decline, although it will remain the world’s most populous in 2030. The world’s 45th largest city by area has Metropolis area of 2,187.66 km2. The country’s most densely populated covers 0.6% of the japan with a density of 6,029/km2.
Source: United Nations, Department of Economic and Social Affairs, Population Division (2014).
World Urbanization Prospects: The 2014 Revision

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Top 10 European Countries by Highest Population

Europe is the world’s second-smallest continent that covers about 10, 180, 000 square kilometers which is roughly eight per cent of the Earth’s land area.In other words, it is just two per cent larger in area than Canada. It is the third-most populous continent after Asia and Africa of 733 million people which accounts for 11% of the world’s population.Europe is considered the home of Western culture, specially ancient Greece had its own historical values. The Europe’s Industrial Revolution bring about great change which has had a major influence in culture, economics and social movements in most countries of the world. A century ago, Europe had 25 % of the world’s population that grown afterward at lesser pace than other continent. According to UN , Population of Europe may fall to about 7% of world population by 2050, or 653 million people if growth continue at same rate. Every women of Europe give birth to 1.52 children whereas population growth in countries of Asia and Africa is much higher. Emigration and low birth rates in Central and Eastern countries of Europe may result in steady population decline, according to US report. Today, large populations of European descent are found on every continent. European-derived majorities are present in countries of north and south America. Europe is filing by receiving highest number of migrants than any other country or continent of the world which accounted for almost 85% of Europe’s total population growth. Below we have list of top 10 European countries with highest number of residents to let you know which European state is the most Populous.

Some facts about European countries:

List of Top 10 European Countries by Highest Population

Rank Country Population Date
1. Russia 143,400,000 Apr 1, 2013
2. Germany 80,716,000 Sep 30, 2013
3. France 65,834,000 Jan 1, 2014
4. United Kingdom 64,511,000 Jul 1, 2014
5. Italy 60,782,668 Dec 31, 2013
6. Spain 47,059,533 Jan 1, 2013
7. Ukraine 45,480,315 Jun 1, 2013
8. Poland 38,496,000 Jan 1, 2014
9. Romania 20,121,641 Oct 20, 2011
10. Kazakhstan 17,948,816 July 2014 est.



Russia is the country which has highest population in the Europe. The estimated population of the Russian Federation of April 1, 2013. amounted to 143.4 million people.

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Which Country has the Highest Population Growth Rate

World’s population has grown up to 7 billion and is still growing at alarming rate. Growth rate varies from country to country while developing economies experience high rate that is the major obstacles in their way to prosperity, burdening governments to increase their infrastructure and resources. Country’s population grows as a result of internal and external factors. More births than death results in internal growth which is largely affected by abortion , age distribution, contraceptive measures and life expectancy while more immigration than emigration also contribute to increasing population. It is predicted to be extremely significant in the least developed countries of the world where fastest population growth rates is prevalent, most of which are on the UN’s list of 49 least developed countries. We have gather data to determine the countries with the fastest growing populations considering the level of factors described above. This rate is simply the percentage of annual population changes in the country. The CIA factbook reveals top 10 countries having highest growth rate in 2014.

Country Population growth rate 2014 (%)
Lebanon 9.37
Zimbabwe 4.36
South Sudan 4.12
Jordan 3.86
Qatar 3.58
Malawi 3.33
Niger 3.28
Burundi 3.28
Uganda 3.24
Libya 3.08



Lebanon population growth rate is the world’s fastest of 9.37 percent.

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Which Country has Highest Teenage Pregnancy Rate

Getting pregnant before celebrating 20th birthday is very common in 21st century. High teen pregnancy is problem faced by many countries of the world. About 10% of all births are to teenage mothers, 90% of these are in developing countries of world. Unlike developed nations, in developing countries teenage parents are often married and their pregnancy is fully supported by family and society. It is considered that teenage pregnancy puts limit on economic, educational and physical development of both mother and infant. Media propagation, early marriage, sexual abuse, poverty, illiteracy and childhood environment are some key factors for high pregnancy rate in country. It also increases overall birth rate and population of country. Here we have listed the top 10 countries with highest teenage pregnancies.

Country Teenage Births/1,000 women in 1998
United States 52.1
United Kingdom 30.8
New Zealand 29.8
Slovak Republic 26.9
Hungary 26.5
Iceland 24.7
Portugal 21.2
Canada 20.2
Poland 18.7
Ireland 18.7


United state has highest teenage pregnancy rate in the world. 52 in 1000 teen American girls will get pregnant before age of 20. The number of babies born to women aged 15–19 in US was 367,752 in 2010.

Highest Birth rates for women aged 15–19 in United States is now decreasing.

Source :

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Which Country has the Highest Birth Rate

Birth rate is now very high in all countries of world due to recent advancement in medical treatment. Early marriages, poverty, illiteracy, culture, religious belief and preference of a male  leads to high birth rate in country. Some countries of world need more population for optimum utilization of natural resources and high economic growth at the cost of pollution and depletion of resources.  Age and sex structure of the population affect birth rate of country.

Country Births/1,000 population in 2013
Niger 46.84
Mali 46.06
Uganda 44.50
Burkina Faso 42.81
Zambia 42.79
Somalia 41.45
Burundi 40.04
Malawi 39.98
Republic of the Congo 39.63
Angola 39.16



Niger, west African landlocked country, has highest birth rate in the world. Strict adherence to Islam is one of the main reasons.  According to their belief children are blessing of God. Young marriages, polygamy, poverty, illiteracy are greatly involved in highest birth rate of Niger.

Source : CIA Factbook

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Top 10 Populated Countries in the World

Rapid increase in population is the main obstacle in economic growth of countries of world. Recent increase in birth rate and longevity with decrease in death rate and infant mortality are some key reasons of high growth rate in most populated countries of world. Advancement in medicine, agricultural productivity and sanitation also contribute to large population in the world. China and India are two most-populated countries in the world and together constitute about 37% of the world’s population. Lets take a look at pie chart showing percentage of top ten most populated countries.

10 most populated countries
Rank Country Population
% age of World


1. China 1,362,680,000 19.1%
2. India
3. United States
4. Indonesia
5. Brazil
6. Pakistan
7. Nigeria
8. Bangladesh
9. Russia
10. Japan



China, with growth rate of 0.46% constitute 19% of world’ population, is the most populated country of the world. China has implemented two-child policy in December 2013 to tackle this issue. It is expected that chine will achieve a figure of 1 billion in 2030.

Source: wikipedia

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Which Country has Most Billionaires in the World

According to the estimate there are 1,426 U.S. dollar billionaires in all countries of world. Mining, electronic commerce, telecom, media and real state are leading profession of rich peoples. Number of billionaires increase in all the countries of the world with increase in prices of their net assets  due to inflation, better financial market performance and economics growth. Here is the list of top ten countries with most billionaires in the world.

Rank Country Number of Billioniares
1. United States 442
2. China
3. Russia
4. Germany
5. India
6. Turkey
7. Hong Kong
8. United Kindom
9. Brazil
10. Canada



The United States has most billionaires than any other country of world. Currently it stands in first place with 442 billionaires. Bill Gates, Warren Buffett, Larry Ellison, Charles Koch and David Koch of United States are amongst top 10 list.

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Which Country is Least Densely Populated

Population density of country is number of people living per square kilometre or square mile. Factors involves in low population density in the countries of world are high mountainous land,extreme hot or cold climates condition and Limited natural resources. Some other human factors contribute to low population density in the country are unstable governments, preference for isolation and lesser job opportunities. Here is the list of top 10 least densely populated countries in the world .

Top Ten Countries with Lowest Population Density in the World

Rank Country Density per square mile
1. Mongolia
2. Namibia
3. Australia
4. Iceland
5. Suriname
6. Mauritania
7. Canada
8. Botswana
9. Guyana
10. Libya



Mongolia, a central Asian country, has lowest population density as compared to other countries of the world. Gobi desert to the south of country with extreme climate ranging from –40°C in winter to +50°C in summer and uneven mountainous regions to the north and west are main causes for being lowest populated density country of the world. About 12 % land is covered by steppes and forested areas.


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