The Algerian south is very sparsely populated.

Tom lives a very simple life in a sparsely furnished apartment.

The moor is very sparsely inhabited.

Canada is sparsely populated.

Algeria's desert regions are very sparsely populated.

Algeria's Sahara is barren and sparsely populated.

The region is enormous, but sparsely populated.

What's New Zealand like? Is it as sparsely populated as Australia?

It makes things easier if your matrix is sparse.

The region is large, but sparsely populated.