According to Yves Tardy, researchers from the French Institut National Polytechnique de Toulouse And The Centre National de la Recherche Scientifique , estimates that this type of laterite cover about one-third of all land in the world.
Menurut Yves Tardy, peneliti dari French Institut National Polytechnique De Toulouse And The Centre National De La Recherche Scientifique, memperkirakan bahwa jenis laterit menutupi sekitar sepertiga dari seluruh daratan di dunia.