International Genealogical Index: Difference between revisions

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| style="text-align: right; white-space: nowrap" | 1973  || Originally published on microfiche as the "Computer File Index (CFI)”. Contained 20 million entries. About 80% of the entries were extracted.

| style="text-align: right; white-space: nowrap" | 1975   || Microfiche edition with 34 million names.

| style="text-align: right; white-space: nowrap" | 1981   || 4th edition published. Renamed as the International Genealogical Index. Contained 81 million entries.

| style="text-align: right; white-space: nowrap" | 1984   || Record count was 108 million. Offered for sale to the public.

| style="text-align: right; white-space: nowrap" | 1988   || First published on compact disc (CD-ROM). Part of the FamilySearch DOS computer program. Contained 147 million names. Excluded some indexed entries from the 1984 edition.

| style="text-align: right; white-space: nowrap" | 1992   || Microfiche edition. Contained 187 million names. About 94.5% were indexed.

| style="text-align: right; white-space: nowrap" | March 1993   || CD-ROM edition. Contained over 200 million names from over 90 countries.

| style="text-align: right; white-space: nowrap" | July 1994   || CD-ROM release of the 1994 edition issued as an addendum with 42 million entries. Includes entries dropped from the 1988 edition. Duplication rate increased over previous editions.

| style="text-align: right; white-space: nowrap" | 1997   || CD-ROM addendum increased entries from 240 to 284 million, of which 100 million were from extraction.

| style="text-align: right; white-space: nowrap" | 24 May 1999   || FamilySearch website released. Not all 285 million IGI entries available immediately, but were released by region.

| style="text-align: right; white-space: nowrap" | June 2012  || Original IGI retired along with the original FamilySearch website.