common throughout most of the world

an adjective that describes a species that is widely dispersed; describes a species that is found all over the world, or has a wide range. See also pandemic.

a sophisticated person who has travelled in many countries

growing or occurring in many parts of the world; "a cosmopolitan herb"; "cosmopolitan in distribution"

composed of people from or at home in many parts of the world; especially not provincial in attitudes or interests; "his cosmopolitan benevolence impartially extended to all races and to all creeds"- T.B. Macaulay; "the ancient and cosmopolitan societies of Syria and Egypt"; "that queer, cosmopolitan, rather sinister crowd found around the Marseilles docks"

(adj.) -- worldly; international; eclectic.

found throughout the world

common to the whole world

The word cosmopolitan describes an environment where many cultures from around the world coexist; or a person whose perspective reflects exposure to a variety of cultures. It may also have the weaker senses of "worldly" or "sophisticated".

Worldwide distribution.

found worldwide

widely distributed in many countries, with no obvious country (or region) of origin.

In biogeography, having an extremely broad or global distribution (e.g. the moon jelly Aurelia cluritu).