The recorded data shows that Lesotho and the Eastern Cape are by far the most affected regions. Scroll to see the scale of silicosis in Southern Africa.

The height of the columns indicates the number of claimants recorded in the database. Port Saint Johns, on the right, has 652.

The majority of Zimbabweans come from the Chipinge which has 247 potential claimants on record.

While the majority of migrant workers from Botswana come from Ramotswa, Thamaga and Mokhomba.

But the landlocked countries like Eswatini are most affected.

Lesotho recorded most migrant workers with regions like Maseru, Leribe and Berea having more miners than the towns in South Africa. Maseru alone has 1,954 potential claimants.

In the Eastern Cape however Lusikisiki, Port St John's and Butterworth are home most potential claimants.