1983—Appendices (Conversion Factors, International Organizations) first introduced.
1984—Appendices expanded; now include: A. The United Nations, B.
Selected United Nations Organizations, C. Selected International
Organizations, D. Country Membership in Selected Organizations, E.
Conversion Factors.
1987—A new Geography section replaces the former separate Land and Water sections. UN Organizations and Selected International Organizations appendices merged into a new International Organizations appendix. First multi-color-cover Factbook.
1988—More than 40 new geographic entities added to provide complete world coverage without overlap or omission. Among the new entities are Antarctica, oceans (Arctic, Atlantic , Indian, Pacific), and the World. The front-of-the-book explanatory introduction expanded and retitled to Notes, Definitions, and Abbreviations. Two new Appendices added: Weights and Measures (in place of Conversion Factors) and a Cross- Reference List of Geographic Names. Factbook size reaches 300 pages.
1989—Economy section completely revised and now includes an Overview briefly describing a country's economy. New entries added under People, Government, and Communications.
1990—The Government section revised and considerably expanded with new entries.
1991—A new International Organizations and Groups appendix added. Factbook size reaches 405 pages.
1992—Twenty new successor state entries replace those of the Soviet Union and Yugoslavia . New countries are respectively: Armenia , Azerbaijan , Belarus , Estonia , Georgia , Kazakhstan , Kyrgyzstan , Latvia , Lithuania , Moldova , Russia , Tajikistan , Turkmenistan , Ukraine , Uzbekistan ; and Bosnia and Hercegovina , Croatia , Macedonia , Serbia and Montenegro , Slovenia . Number of nations in the Factbook rises to 188.
1993—Czechoslovakia 's split necessitates new Czech Republic and Slovakia entries. New Eritrea entry added after it secedes from Ethiopia . Substantial enhancements made to Geography section.
1994—Two new appendices address Selected International Environmental Agreements. The gross domestic product (GDP) of most developing countries changed to a purchasing power parity (PPP) basis rather than an exchange rate basis. Factbook size up to 512 pages.