Jonathan Spencer | Manager | Brand & Campaign | OneDayOnly.co.za | mail me | By 2030, Generation Z (Gen Z) will be the biggest-spending generation across much of Sub-Saharan Africa. Already, South Africa’s youngest consumers are transforming how the country pays. I have seen that for Gen Z, speed, choice and digital convenience are not just nice to have. They are non-negotiable. As payment habits evolve, businesses that fall behind risk becoming irrelevant.