How many niggaz4life albums have been sold worldwide?

The album "Niggas4Life" by the rap group N.W.A was released in 1991 and is estimated to have sold around 1.4 million copies in the United States. However, specific worldwide sales figures are harder to ascertain, as global sales data for albums from that era can be inconsistent. Overall, the album is considered influential in hip-hop history, contributing to the genre's popularity and cultural impact.