A higher proportion of Middle-Class households in southern zone are to be found in the boom towns/niche cities (42 per cent) and another 18 per cent in the emerging rural. So, while boom towns/niche cities in the southern zone have moved up the income ladder with a bigger proportion of Middle Class and Rich households, emerging rural and left-behind rural are capturing a larger proportion of the Destitute households - 41 per cent and 22 per cent, respectively.