[File:Indo-European branches map.svg|thumb|300px|The approximate present-day distribution of the Indo-European branches within their homelands of Europe and Asia: Dotted/striped areas indicate where multilingualism
is common.]] The Indo-European languages
include some 439 (SIL
estimate) languages and dialects spoken by about three billion people, including most of the major language families
and western Asia
, which belong to a single superfamily. Each subfamily in this list contains many subgroups and individual languages.