South Africans are better off financially, with the average annual household income more than doubling in the past 10 years, outstripping inflation.
And KZN is tracking the national trend, with the average annual household income increasing from R38 905 in 2001 to R83 053 in 2011.
According to Census 2011, the average annual household income for all households in South Africa was R103 204, up from R48 385 recorded in Census 2001.
This represents an increase of 113.3 percent in nominal terms.
The consumer price index indicates that income should have increased by 77.5 percent during this period to have stayed in line with inflation.
Things were less rosy for woman-headed households, whose average annual earnings in 2011 were just more than half those of their male counterparts – R67 330 compared with R128 329.
However, the average woman-headed household had increased its income by 141.6 percent from 2001, while male-headed households increased theirs by 101.7 percent.
There were significant differences in average annual household income across the population groups.
The black majority still earned significantly less than their coloured, Indian, and white counterparts.
Black African-headed households were found to have an average annual income of R60 613 in 2011.
Coloured-headed households had an average of R112 172 last year, while the figure for Indian/Asian-headed households stood at R251 541.
White-headed households had the highest average household income at R365 134 a year.
A comparison with the figures from 2001 does, however, show a bigger increase for black African-headed households of 169.1 percent, as opposed to an 88.4 percent increase for white-headed households.
Indian/Asian-headed households increased their average income by 145.2 percent, while coloured-headed households achieved a 118.1 percent increase.
With regard to the average annual household income by province, Census 2011 found that Limpopo remained the province with the lowest average annual household income, R56 844, followed by Eastern Cape, where the average was R64 539.
At the other end of the scale, Gauteng had the highest average annual household income, R156 243, followed by the Western Cape with R143 460.
The order of the provinces in 2001 and 2011 remained the same in terms of average annual household income.
The five provinces with the lowest average annual household income in 2001 – Mpumalanga, Free State, North West, Eastern Cape and Limpopo – achieved the largest percentage increases between 2001 and last year.
Households in Mpumalanga had the largest increase, 148.9 percent, followed by those in Limpopo (147.3 percent), Free State (145.1 percent), North West (131.7 percent) and Eastern Cape (120 percent).
By contrast, the average annual income for households in Western Cape increased by 83.6 percent during this period, while the increase in Gauteng was 98.9 percent.