South Africa’s economy is bigger than the official record said, because the record has been rebuilt. Statistics South Africa’s benchmarking and rebasing exercise, released on October 29, raised the 2022 level of GDP to 6.99 trillion rand, about 420.19 billion dollars, from a previously published 6.67 trillion rand, an increase of 4.9 percent or roughly 324 billion rand. The exercise moved the base year for constant price estimates from 2015 to 2022 and incorporated updated data, classifications and methods, including the 2022 census.
All ten sectors the agency tracks were revised higher, with mining, finance and trade registering the largest increases, partly because illicit or illegal activity in those industries was factored into the estimates. Reporting on the release also pointed to activities the old frame captured poorly, including online gambling, illegal mining, household solar and e-hailing. In nominal terms, GDP for last year was revised to 8.04 trillion rand from 7.64 trillion rand.
The revision is measurement, not growth, and the distinction runs through its consequences. Nobody produced more in October because a base year changed. But every ratio with GDP in the denominator moved: public debt, the deficit and tax revenue all look smaller relative to the economy, which flatters the fiscal position the National Treasury presents and the one rating agencies and the South African Reserve Bank assess. A separate detailed account of the release noted that real growth for 2025 was revised down, from 1.1 percent to 0.9 percent, even as the level rose, a reminder that a bigger economy can also be a slower growing one.
For the rates market the rebasing lands in the middle of a live policy debate. South African inflation and the repo rate path are argued over using debt sustainability as a key input, and Governor Lesetja Kganyago used a speech this week, published by the Reserve Bank, to set out what monetary policy can and cannot do about low growth. A 4.9 percent larger denominator does not answer that question, but it changes the numbers everyone brings to it, and it widens South Africa’s measured lead over Nigeria as the continent’s largest economy.