Number of Countries in the World

As of Nov 30,2011,there are 196 Countries in the World.The details are -

Asia - 27 Countries

Africa - 48 Countries

Middle East & North Africa - 23 Countries

Europe - 48 Countries

North America - 3 Countries

Central America - 20 Countries

South America - 12 Countries

Australia & Oceania - 15 Countries

There are 27 countries in Asia -

Bangladesh
Bhutan
Brunei
Cambodia
China
India
Indonesia
Japan
Kazakhstan
North Korea
South Korea
Kyrgyzstan
Laos
Malaysia
Maldives
Mongolia
Myanmar
Nepal
Philippines
Singapore
Sri Lanka
Taiwan
Tajikistan
Thailand
Turkmenistan
Uzbekistan
Vietnam

  

There are 48 countries in Africa -

Angola
Benin
Botswana
Burkina Faso
Burundi
Cameroon
Cape Verde
Central African Republic
Chad
Comoros
Republic of the Congo
Democratic Republic of the Congo
Cote d'Ivoire
Djibouti
Equatorial Guinea
Eritrea
Ethiopia
Gabon
The Gambia
Ghana
Guinea
Guinea-Bissau
Kenya
Lesotho
Liberia
Madagascar
Malawi
Mali
Mauritania
Mauritius
Mozambique
Namibia
Niger
Nigeria
Rwanda
Sao Tome and Principe
Senegal
Seychelles
Sierra Leone
South Africa
South Sudan
Sudan
Swaziland
Tanzania
Togo
Uganda
Zambia
Zimbabwe

  

There are 23 countries in the Middle East and North Africa -

Afghanistan
Algeria
Azerbaijan*
Bahrain
Egypt
Iran
Iraq
Israel*
Jordan
Kuwait
Lebanon
Libya
Morocco
Oman
Pakistan
Qatar
Saudi Arabia
Somalia
Syria
Tunisia

There are 48 countries in Europe -

Albania
Andorra
Armenia
Austria
Belarus
Belgium
Bosnia and Herzegovina
Bulgaria
Croatia
Cyprus
Czech Republic
Denmark
Estonia
Finland
France
Georgia
Germany
Greece
Hungary
Iceland*
Ireland
Italy
Kosovo
Latvia
Liechtenstein
Lithuania
Luxembourg
Macedonia
Malta
Moldova
Monaco
Montenegro
Netherlands
Norway
Poland
Portugal
Romania
Russia
San Marino
Serbia
Slovakia
Slovenia
Spain
Sweden
Switzerland
Ukraine
United Kingdom of Great Britain and Northern Ireland**
Vatican City

There are 3 Countries in North America -

Canada

Mexico
United States of America

There are 20 Countries in Central America -

Antigua and Barbuda
The Bahamas
Barbados
Belize
Costa Rica
Cuba
Dominica
Dominican Republic
El Salvador
Grenada
Guatemala
Haiti
Honduras
Jamaica
Nicaragua
Panama
Saint Kitts and Nevis
Saint Lucia
Saint Vincent and the Grenadines

Trinidad and Tobago 

There are 12 Countries in South America - 

Argentina
Bolivia
Brazil
Chile
Colombia
Ecuador
Guyana
Paraguay
Peru
Suriname
Uruguay
Venezuela 

There are 15 Countries in Australia & Oceania -

Australia
East Timor

Fiji
Kiribati
Marshall Islands
Federated States of Micronesia
Nauru
New Zealand
Palau
Papua New Guinea
Samoa
Solomon Islands
Tonga
Tuvalu
Vanuatu