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General Knowledge for Competitive Exams

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Passengers carried in rail transport per year

This article gives rail usage statistics by country according to the International Union of Railways and other sources.

Countries by rail transport network size

This list of countries by rail transport network size based on International Union of Railways data ranks countries by length of rail lines worked at end of year. 

Countries with more than 5 billion passenger-km

The list of Countries with more than 5 billion passenger-km.

Countries by road network

This is a list of countries by total road network size of both paved and unpaved.

Nuclear Power by Country

The list of Countries and their Nuclear Power.

Countries by military expenditures

The list is based on the Stockholm International Peace Research Institute (SIPRI) Yearbook 2012 which includes a list on the world's top 15 military spenders in 2011, based on current market exchange rates.

Countries by exports per capita

This is a list of countries by exports per capita.

Countries by exports

This is a list of countries by exports, based on the The World Factbook of the Central Intelligence Agency.

Countries by external debt

This is a list of countries by external debt owed to nonresidents repayable in internationally accepted currencies, goods, or services.

List of countries by forest area

The list of places by forest area as per Central Intelligence Agency 2011.

Countries by natural gas proven reserves

The list of countries by natural gas proven reserves based on The World Factbook.

Countries in Asia by Date of formation

The list of Countries in Asia by Date of formation

Countries by Fertility Rate

The list of all countries and dependent territories by total fertility rate (TFR) as per Central Intelligence Agency.

Countries by foreign-exchange reserves

Foreign-exchange reserves (also called Forex reserves) in a strict sense are only the foreign-currency deposits held by central banks and monetary authorities.

Countries by Electricity Consumption

This is a list of countries by electricity consumption, This list of countries by electric energy consumption is mostly based on CIA.

Countries by coal production

This is a list of countries by coal production in 2011, based mostly on the Statistical Review of World Energy published in 2012 by British Petroleum, ranking nations with coal production larger than 4 millions tonnes.

Countries by Proven oil reserves

This a list of countries by proven oil reserves. Proved reserves are those quantities of petroleum which, by analysis of geological and engineering data, can be estimated with a high degree of confidence to be commercially recoverable from a given date forward, from known reservoirs and under current economic conditions.

List of countries by Oil Production

This is a list of countries by oil production mostly based on Central Intelligence Agency.

List of sovereign states and dependent territories by population density

This is a list of countries and dependencies ranked by human population density, and measured by the number of human inhabitants per square kilometre or square mile.

Countries of the World by Land Area

The list of the world's sovereign states and their dependent territories by land area.

Countries by Birth Rate as per Central Intelligence Agency

This article includes three versions of the list of countries by crude birth rate. Crude birth rate refers to the number of births over a given period divided by the person-years lived by the population over that period.

Countries By GDP (PPP) as per IMF

The article includes a list of countries in the world sorted by their gross domestic product (GDP) as per International Monetary Fund 2011.

Trinidad and Tobago

Trinidad, the larger at 4,828 sq km, is mainly flat and rolling, with mountains in the north that reach a height of 3,085 ft at Mount Aripo. Tobago, at just 300 sq km, is heavily forested with hardwood trees.


Zimbabwe, a landlocked country in south-central Africa. It is bordered by Botswana on the west, Zambia on the north, Mozambique on the east, and South Africa on the south.


Zambia, a landlocked country in south-central Africa. The country is mostly a plateau that rises to 8,000 ft (2,434 m) in the east.


Formerly divided into two nations, the People’s Democratic Republic of Yemen and the Yemen Arab Republic, the Republic of Yemen occupies the southwest tip of the Arabian Peninsula on the Red Sea opposite Ethiopia and extends along the southern part of the Arabian Peninsula on the Gulf of Aden and the Indian Ocean.


Vietnam occupies the eastern and southern part of the Indochinese peninsula in Southeast Asia, with the South China Sea along its entire coast. China is to the north and Laos and Cambodia are to the west.


Venezuela, occupies most of the northern coast of South America on the Caribbean Sea. Mountain systems break Venezuela into four distinct areas: (1) the Maracaibo lowlands; (2) the mountainous region in the north and northwest; (3) the Orinoco basin, with the llanos (vast grass-covered plains) on its northern border and great forest areas in the south and southeast; and (4) the Guiana Highlands, south of the Orinoco, accounting for nearly half the national territory.

Vatican City

The Vatican City State is situated on the Vatican hill, on the right bank of the Tiber River, within the city of Rome.


Vanuatu is an archipelago of 83 islands lying between New Caledonia and Fiji in the South Pacific. Largest of the islands is Espiritu Santo (875 sq mi; 2,266 sq km); others are Efate, Malekula, Malo, Pentecost, and Tanna.

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