Click on the links below to access the correct data.
2009 WDI CD-ROM
Aggregate totals for telephone lines, mobile cellular subscriptions, mobile and fixed-line telephone subscribers, and Internet users were incomplete or were calculated using sparse country-level data.
Aggregate totals for electricity production (kWh) were calculated incorrectly.
Aggregate land and surface area data for 1960 were calculated using sparse country-level data and should be ignored.
Constant price series from 1960 to 1964 for Dominican Republic, Republic of Korea, Myanmar, and Uruguay were linked incorrectly. 1965 growth rates and 1965-66 Atlas GNI and Atlas GNI per capita values for these countries were also affected.
WDI Online - September 2009
The September update of the WDI 2009 database contained an error for China's current U.S. dollar GDP for 2007 and 2008. The correct 2007 figures are: GDP: US$ 3,382,267 million; Atlas GNI: US$ 3,179,866 million; Atlas GNI per capita: US$ 2,410. The correct 2008 figures are: GDP: US$ 4,326,187 million; Atlas GNI: US$ 3,899,289 million; Atlas GNI per capita: US$ 2,940.
2009 Little Data Book
The correct income and regional groups for the following countries are: Malawi (Sub-Saharan Africa, Low income); Senegal (Sub-Saharan Africa, Low income); Singapore (High income); and Uganda (Sub-Saharan Africa, Low income).
2009 World Development Indicators Book
Figure 4.7a: Dollar figures for the charts are billions.
Table 5.12: Macedonia, FYR's expenditure for R&D percentage of GDP is 0.25.
Primary Data Documentation: The correct national currencies for the following economies are: Comoros (Comorian franc); Djibouti (Djibouti franc); Ghana (new Ghanaian cedi); Samoa (Samoan tala); and Suriname (Suriname dollar). Liberia's SNA price valuation is VAP.
Global Purchasing Power Parities and Real Expenditures: 2005 International Comparison Program (2008)
In table G1 (page 191), the GDP per capita, PPP value for Angola in the column ICP '05 should read 3,533. A corrected table is available online.
2008 Global Development Finance Book
In the income groups classification, low-income countries should include Afghanistan; middle-income countries should exclude Barbados, Estonia, and Trinidad and Tobago.
Syrian Arab Republic: The published data in GDF 2008 are incomplete and based on estimates. These data should not be used for analysis or assessment. GDF 2009 will not include external debt data for Syrian Arab Republic. Reporting will resume in the next edition (GDF 2010) with data provided by the government of Syria. As a result, Syria will not be included in regional aggregations in the upcoming GDF 2009 publication.
2008 World Development Indicators Book
Table 1.4: HIPC decision point for Guyana is November 2000. Tariff data for agricultural products are incorrect.
Table 2.15: Bulgaria physicians per 1,000 people is 3.6.
Table 2.17: Tanzania births attended by skilled health staff (% of total) is 43.
Table 4.8: Columns are incorrectly labeled as 1990; data are for 1995.
Table 4.14: Tanzania's consumer price index, average annual % growth for the period 2000-06 is 5.2. The consumer price index and inflation figures for Tanzania that were published are inconsistent with those obtained from the National Bureau of Statistics (NBS). As a result, the data should be replaced with the NBS figures.
Table 5.11: Data for secure Internet servers per million people are from 2006; corrected file has 2007 data; value for Republic of Korea is 498. Internet price basket data are incorrect.
Table 6.9: Present value of debt ratios have been revised for countries receiving debt relief as part of the Heavily Indebted Poor Countries Initiative.
2007 World Development Indicators Book
Tables 1.1 and 1.6: PPP gross national income totals and per capita values (and PPP rankings in Table 1.1) are based on previously published data.
Table 4a: The column years indicated should be 2005 and 2006. Total reserves data are for 2006.
Table 4.10: Madagascar central government finance data as a percentage of GDP for 2004 should be as follows: revenue (12.1), expense (12.6), cash surplus or deficit (-4.5), net incurrence of domestic liabilities (-0.7), and net incurrence of foreign liabilities (6.4).
Table 5.6: Madagascar tax revenue as a percentage of GDP should be 11.3 for 2000 and 10.9 for 2004.
Table 5.10: Price basket for mobile data are for 2006.
2007 WDI CD-ROM
Czech Republic has graduated from IBRD lending and no longer reports external debt data to the World Bank's Debtor Reporting System. The external debt data should not have appeared in the WDI database. Debt ratios are not valid.
Country level data for female population (% of total) are missing.
The description for agricultural machinery, tractors per arable land is incorrect. The data are shown per 100 sq. km of arable land, not hectares.
The description for the level of electric power transmission and distribution losses is incorrect. The data are shown in kWh, not million kWh.
Government finance data in local currency and as a percentage of GDP for Madagascar are five times too large due to a change in currency. Revised data use Madagascar ariary.
2007 Little Data Book
Group level stock market capitalization (% of GDP) for 2005 should be as follows: World (99.6); East Asia & Pacific (41.3); Europe & Central Asia (45.8); Latin American & Caribbean (44.6); Middle East & North Africa (49.1); South Asia (60.4); Sub-Saharan Africa (137.0); Low income (54.2); Middle income (49.5); Lower middle income (41.1); Upper middle income (60.1); Low & middle income (50.1); Europe EMU (64.8); and High income (112.9).
Madagascar central government revenue as a percentage of GDP should be 11.7 for 2000 and 12.1 for 2004; cash surplus/deficit as a percentage of GDP should be -2.0 for 2000 and -4.5 for 2004.
Mongolia should be listed as belonging to the East Asia & Pacific region.
2006 World Development Indicators Book
Table 1.2: Ratio of female to male enrollments in primary and secondary school are incorrect for Hong Kong, China, Croatia, Czech Republic, Estonia, Georgia, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Guatemala, Haiti, Honduras, Egypt, Arab Rep., Congo, Dem. Rep., Congo, Rep., Côte d'Ivoire, Eritrea, Ethiopia, Gabon, The Gambia, Ghana, Guinea, Guinea-Bissau, Denmark, Finland, France, Germany, and Greece.
Table 1.4: The country names for Burundi and Cameroon are in reverse order.
Table 2.7: India population below $2 a day is 79.9% and the poverty gap at $2 a day is 35.3%.
Table 4.a: South Africa total reserves for 2005 is $20,624 million.
Table 4.15a: The country with the third largest current account deficit is Australia (not Austria).
Tables 5.2 and 5.3: Data appearing for Korea, Dem. Rep. should instead be shown under Korea, Rep.; and Korea, Dem. Rep. should be shown as ".." (not available).
Table 5.8: United Kingdom total road network (km) for 2003 is 392,342.
Table 5.10: Internet users per 1,000 people for 2004 for Iran, Islamic Rep. is 82; World 140; Middle income 92; Lower middle income 76; Low & middle income 63; and Middle East & North Africa 58.
Photo credits for the WDI CD-ROM are: Shaida Badiee, Alex Baluyut, Curt Carnemark, Stan Constantio, Arne Hoel, Miso Lisanin, Bill Lyons, Eric Miller, Shehzad Noorani, and Thomas Sennett (World Bank).
2006 WDI CD-ROM
Chile: constant price national accounts data have breaks in series for some indicators as a result of improper linking of different data with different base years.
2006 Little Data Book
Page 7: Saudi Arabia should not be included in the regional listing for Middle East and North Africa.
Korea, Dem. Rep.: data for starting a business should be shown as ".." (not available).
2005 World Development Indicators Book
Table 2.5: International poverty line estimates were revised for Azerbaijan, Belarus, Botswana, Burundi, Ethiopia, Gambia, India, Moldova, Nepal, Niger, Philippines, Portugal, Senegal, Swaziland, Tanzania, Trinidad and Tobago, Uganda, Uzbekistan, Venezuela, and Vietnam. Turkey survey year is 2001.
Table 2.7: Turkey survey year is 2001.
Table 5.4: S&P Investable index percentage change estimates for 2004 for South Africa, Thailand, and Turkey are 50.1, -6.4, and 32.9, respectively.
Table 5.10: Benin transmission and distribution losses for 2002 should be shown as ".." (not available).
Table 6.7: Belgium foreign direct investment for 2003 includes Luxembourg.
Table 6.13: Net migration figures are the number of migrants during the period, not an annual average.
2005 WDI CD-ROM
International poverty line estimates in the HTML and PDF files for Table 2.5 are incomplete. They should also include the new figures reported above for Gambia, India, Moldova, Tanzania, and Uganda. (Note: Poverty figures in the time series database are correct for all countries.)
2005 Global Development Finance Book
Maldives should be classified as less indebted.
2004 World Development Indicators Book
Table 4.15: Botswana net current transfers and current account balance for 2002 should be shown as ".." (not available).
Table 5.12: Hong Kong, China researchers in R&D per million people is 93.
2004 WDI CD-ROM
Botswana: net current transfers (BoP, current US$) and current account balance (BoP, current US$ and as % of GDP) for 2000 to 2002 should be shown as ".." (not available).
Estonia: inflation, food prices (annual %) for 1998 is 4.9%.
Population breakdown levels by age for male, female and total are incorrect before the year 2000 for numerous countries.
Reference: in the country classification table, Northern Mariana Islands should be listed as upper middle income; and Isle of Man and Malta should be listed as high income.
Reference: in the Excel and PDF files showing the list of countries, the former Federal Republic of Yugoslavia should be listed by its new name, Serbia and Montenegro.