A global headcount across all six major professional leagues — 3,427 players in total — dismantles the idea that rugby is awash with mercenaries. Roughly 70% of professionals play in the country they were born in, and the URC runs at just 18% foreign-born, kept low precisely because the South African franchises field South Africans. The piece uses the data to close two long-running arguments: the Boks haven't bought the URC, and foreign players in the Top 14 and Premiership don't stunt local development — the evidence runs the other way.
The sharper finding is about Japan. League One now sustains a domestic player base of 413, against 215 in New Zealand and 228 in South Africa — nearly double either. Eighty-six Kiwis earn in Japan, more than in all other overseas leagues combined, and the Springboks are trending the same way. The draw is straightforward: elite pay matching France, a schedule that barely touches the Test calendar, lower physical attrition, and — critically for Rassie's planning — South Africa picks players wherever they are based. The piece argues Japan is now a structural threat to both unions, an entire professional economy bigger by headcount than the systems feeding it, with the corporate backing to keep growing. The migration story of the next decade won't be written in Paris or London.