2018 has been described as one of the most financially devastating years, this can be seen in the drastic reduction of net wealth in South Africa which was at 449 billion rand in 2018. This is according to the Momentum/Unisia South African Household Index Q4 for 2018 which found that 6.3 per cent of households real net worth has been wiped out within just one year. Johann van Tonder, Researcher & Economist of the Consumer Insights Division at Momentum joins CNBC Africa for more.