This is a superset of all languages detected by franc. Numbers were collected by Titus Wormer. To quote him: Painstakingly crawled by hand from OHCHR, the numbers are (in some cases, very) rough estimates or out-of-date..
speakers
A data frame with columns:
Three letter language code.
Number of speakers.
Full name of language.
ISO 639-1 codes. See more at http://en.wikipedia.org/wiki/ISO_639.
ISO 639-2T codes. See more at http://en.wikipedia.org/wiki/ISO_639.