Allying the number of speakers of the world's languages is an increasingly complex task, particularly with the push in many countries to teach English in their public schools. How many people can actually use the global language? David Graddol estimated a total of 750 million L1 (first or native language) plus L2 (second or nth language) speakers of English in his “Future of English report” for the British Council. Martin Schel has reviewed Prof. Braj Kachru's new book Asian Englishes which claims that India and China combined have over half a billion "users" of English.

Indeed, many people are bilingual or multilingual, but here we assign only one language per person in order to have all the language totals add up to the total world population (zero-sum approach). No adjustments have been made for infants or illiteracy in the Internet penetration rate calculations. Very few countries have 100% literacy. Australia, Denmark, Finland, Liechtenstein, Luxembourg and Norway are six countries to mention.

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