At one of the hacker forum occured ad/post with offer of sale of the Whatsapp user database. There are as many as 487 million entries in the data base. Most people are from Egypt (as many as 45 million)
In addition, there are also 2.6 million numbers from Poland. As indicated by the person listing the data for sale, the data is up-to-date, because it is from 2022.
Prices for specific countries below:
US - $7,000
Great Britain - $2,500
Germany - $2,500