The tag tree graph below shows the number of times the GEDCOM tag(-sequence) was encountered. Filled circles can be clicked to show the sub-tags.
The red circles (91.0%) are valid tag-sequences under the GEDCOM 5.5 grammar (also available as tag tree), grey circles (8.9%) are invalid tag-sequences or tag-sequences with user-defined tags. This visualisation aspect is not completely accurate as not all GEDCOM files are version 5.5 (the actual version wasn't taken into account, but from all processed GEDCOM files 92% identified itself as GEDCOM 5.5 and 4% as GEDCOM 5.5.1).
This data was collected from 210 GEDCOM files, totalling 69,820,472 GEDCOM lines, created by various versions of the family tree program Legacy (R) and published on Genealogie Online.
The data is available for download in JSON and CSV format under a CC-BY license.
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