Are there any nomads in the world today?

The modern day version of nomads are gybsies. There is a wide variety of gybsy tribes spread over all continents. Most known are the roma people. In the U.K, V.S and Ireland are the Irish Gypsies who speak shelta. The communist under the wing of Stalin are known to have murderd innocent nomadic travelers. But now a day the nomadic travelers still travel all around the world.