17 million africans left africa in 2017 says un report

I think there may be a mistake here.

According to the United Nations (UN) report, "International Migration 2017" (ST/ESA/SER.A/392), the number of international migrants from Africa in 2017 was not 17 million, but rather around 6.6 million.

The report states that in 2017, there were approximately 6.6 million international migrants from Africa, which represents about 4.5% of the total international migrant stock worldwide.

It's worth noting that international migration is a complex and multifaceted phenomenon, and the numbers can vary depending on the source, methodology, and definition of migration. However, the UN report is a reliable and authoritative source of information on international migration.

If you have any further questions or would like to know more about international migration, feel free to ask!