To decide which nation gets to chair the G-20 leaders' meeting for a given year, all 19 nations are assigned to one of five different groupings.

The chair rotates annually among the members and is selected from a different regional grouping of countries.

They cover four different groupings of rights; survival, protection, development and participation.

The organization of the cavalry was based on a slightly different grouping.

Spyroceras turns out to be a number of genera in different groupings.

On its north and south sides are lancet windows in different groupings.

Group of 33 has been used to refer to two different international groupings:

However, they conducted two studies, each looking at a different grouping.

There were two different groupings of textual evidence that were found.

In world cultures, there have traditionally been many different groupings of religious belief.