World Economic and Financial Surveys

World Economic Outlook

Database—WEO Groups and Aggregates Information

September 2006

Country Composition of WEO Groups

The country classification in the World Economic Outlook divides the world into two major groups: advanced economies, and other emerging market and developing countries. Please refer to the introduction to the WEO's Statistical Appendix for details. Rather than being based on strict criteria, economic or otherwise, this classification has evolved over time with the objective of facilitating analysis by providing a reasonably meaningful organization of data.

A few countries are presently not included in these groups, either because they are not IMF members and their economies are not monitored by the IMF, or because databases have not yet been fully developed. Because of data limitations, group composites do not reflect the following countries: The Islamic Republic of Afghanistan, Bosnia and Herzegovina, Brunei Darussalam, Eritrea, Iraq, Liberia, Serbia, Somalia, and Timor-Leste. Cuba, the Democratic People's Republic of Korea, and Montenegro are examples of countries that are not IMF members, whereas San Marino, among the advanced economies, and Aruba, Marshall Islands, Federated States of Micronesia, and Palau among the developing countries, are examples of economies for which databases have not been completed.

Advanced economies

   Euro area
   Major advanced economies
   Newly industrialized Asian economies
   Other advanced economies (Advanced economies excluding G7 and euro area)

European Union

Other emerging market and developing countries

   Africa
      Africa: Sub-Sahara
   Central and eastern Europe
   Commonwealth of Independent States and Mongolia
   Developing Asia
      ASEAN-4
   Middle East
   Western Hemisphere

Advanced Economies

Australia Austria Belgium Canada Cyprus Denmark Finland France Germany Greece	Hong Kong SAR Iceland Ireland Israel Italy Japan Korea Luxembourg Netherlands New Zealand	Norway Portugal Singapore Spain Sweden Switzerland Taiwan Province of China United Kingdom United States

Euro Area

Austria Belgium Finland France	Germany Greece Ireland Italy	Luxembourg Netherlands Portugal Spain

Major Advanced Economies

Canada France Germany	Italy Japan United Kingdom	United States

European Union

Austria Belgium Cyprus Czech Republic Denmark Estonia Finland France	Germany Greece Hungary Ireland Italy Latvia Lithuania Luxembourg	Malta Netherlands Poland Portugal Slovak Republic Slovenia Spain Sweden United Kingdom

Newly Industrialized Asian Economies

Hong Kong SAR Korea	Singapore Taiwan Province of China

Other Advanced Economies (Advanced economies excluding G7 and euro area)

Australia Cyprus Denmark Hong Kong SAR	Iceland Israel Korea New Zealand	Norway Singapore Sweden Switzerland Taiwan Province of China

Other Emerging Market and Developing Countries

Afghanistan, Rep. of² Albania Algeria Angola Antigua and Barbuda Argentina Armenia Azerbaijan Bahamas, the Bahrain Bangladesh Barbados Belarus Belize Benin Bhutan Bolivia Botswana Bosnia and Herzegovina² Brazil Brunei Darussalam² Bulgaria Burkina Faso Burundi Cambodia Cameroon Cape Verde Central African Republic Chad Chile China Colombia Comoros Congo, Dem. Rep. of Congo, Rep. of Costa Rica Côte d'Ivoire Croatia Czech Republic Djibouti Dominica Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Estonia Eritrea² Ethiopia Fiji Gabon Gambia, The	Georgia Ghana Grenada Guatemala Guinea Guinea-Bissau Guyana Haiti Honduras Hungary India Indonesia Iran, I.R. of Iraq^1,2 Jamaica Jordan Kazakhstan Kenya Kiribati Kuwait Kyrgyz Republic Lao PDR Latvia Lebanon Lesotho Liberia² Libya Lithuania Macedonia, FYR Madagascar Malawi Malaysia Maldives Mali Malta Mauritania Mauritius Mexico Moldova Mongolia Morocco Mozambique, Rep. of Myanmar Namibia Nepal Netherlands Antilles Nicaragua Niger Nigeria Oman Pakistan Panama	Papua New Guinea Paraguay Peru Philippines Poland Qatar Romania Russia Rwanda Samoa São Tomé and Príncipe Saudi Arabia Senegal Serbia² Seychelles Sierra Leone Slovak Republic Slovenia Solomon Islands Somalia^1,2 South Africa Sri Lanka St. Kitts and Nevis St. Lucia St. Vincent and the Grenadines Sudan Suriname Swaziland Syrian Arab Republic Tajikistan Tanzania Thailand Timor-Leste, Dem. Rep. of² Togo Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Uganda Ukraine United Arab Emirates Uruguay Uzbekistan Vanuatu Venezuela Vietnam Yemen Zambia Zimbabwe
¹Because of data quality concerns, this country is not released in the WEO database.²Because of insufficient data, this country is not included in the WEO aggregates.

Africa

Algeria Angola Benin Botswana Burkina Faso Burundi Cameroon Cape Verde Central African Republic Chad Comoros Congo, Dem. Rep. of Congo, Rep. of Côte d'Ivoire Djibouti Equatorial Guinea Eritrea²	Ethiopia Gabon Gambia, The Ghana Guinea Guinea-Bissau Kenya Lesotho Liberia² Madagascar Malawi Mali Mauritania Mauritius Morocco Mozambique, Rep. of Namibia	Niger Nigeria Rwanda São Tomé and Príncipe Senegal Seychelles Sierra Leone Somalia^1,2 South Africa Sudan Swaziland Tanzania Togo Tunisia Uganda Zambia Zimbabwe
¹Because of data quality concerns, this country is not released in the WEO database.²Because of insufficient data, this country is not included in the WEO aggregates.

Africa, Sub-Sahara
Africa excluding Algeria, Morocco, and Tunisia.

Central and eastern Europe

Albania Bosnia and Herzegovina¹ Bulgaria Croatia Czech Republic Estonia Hungary Latvia Lithuania	Macedonia, FYR Malta Poland Romania Serbia² Slovak Republic Slovenia Turkey
¹Because of data quality concerns, this country is not released in the WEO database.²Because of insufficient data, this country is not included in the WEO aggregates.

Commonwealth of Independent States and Mongolia

Armenia Azerbaijan Belarus Georgia Kazakhstan Kyrgyz Republic Moldova	Mongolia Russia Tajikistan Turkmenistan Ukraine Uzbekistan

Developing Asia

Afghanistan, Rep. of² Bangladesh Bhutan Brunei Darussalam² Cambodia China Fiji India Indonesia Kiribati Lao PDR Malaysia Maldives	Myanmar Nepal Pakistan Papua New Guinea Philippines Samoa Solomon Islands Sri Lanka Thailand Timor-Leste, Dem. Rep. of² Tonga Vanuatu Vietnam
²Because of insufficient data, this country is not included in the WEO aggregates.

ASEAN-4

Indonesia, Malaysia, Philippines and Thailand

Middle East

Bahrain Egypt Iran, I.R. of Iraq^1,2 Jordan Kuwait Lebanon	Libya Oman Qatar Saudi Arabia Syrian Arab Rep. United Arab Emirates Yemen
¹Because of data quality concerns, this country is not released in the WEO database.²Because of insufficient data, this country is not included in the WEO aggregates.

Western Hemisphere

Antigua and Barbuda Argentina Bahamas, the Barbados Belize Bolivia Brazil Chile Colombia Costa Rica Dominica	Dominican Republic Ecuador El Salvador Grenada Guatemala Guyana Haiti Honduras Jamaica Mexico Netherlands Antilles	Nicaragua Panama Paraguay Peru St. Kitts and Nevis St. Lucia St. Vincent and the Grenadines Suriname Trinidad and Tobago Uruguay Venezuela

WEO Aggregates

Composite data for country groups in the World Economic Outlook are either sums or weighted averages of data for individual countries. Arithmetically weighted averages are used for all data except inflation for the other emerging market and developing country group, for which geometric averages are used. The following conventions apply.

Country group composites for interest rates are weighted by GDP converted to U.S. dollars at market exchange rates (averaged over the preceding three years) as a share of group GDP.
Composites for other data relating to the domestic economy, whether growth rates or ratios, are weighted by GDP valued at purchasing power parities (PPPs) as a share of total world or group GDP. Annual inflation rates are simple percent change from previous years, except for other emerging market and developing countries where the rates are based on logarithmic differences (see the FAQ for more details).
Composites for data relating to the domestic economy for the euro area (12 member countries throughout the entire period unless otherwise noted) are aggregates of national source data using weights based on 1995 ECU exchange rates.
Composite unemployment rates are weighted by labor force as a share of group labor force.
Composites relating to the external economy are sums of individual country data after conversion to U.S. dollars at the average market exchange rates in the years indicated for balance of payments data and at end-of-year market exchange rates for debt denominated in currencies other than U.S. dollars. Composites of changes in foreign trade volumes and prices, however, are arithmetic averages of percentage changes for individual countries weighted by the U.S. dollar value of exports or imports as a share of total world or group exports or imports (in the preceding year).