Elith and NVIDIA released Nemotron-Personas-Finance-Japan on November 9, 2026, opening nine million synthetic Japanese personas for commercial and non-commercial AI development. The CC BY 4.0 dataset adds household finances, money behavior and financial literacy to demographic profiles, giving banks, insurers and developers a way to test customer-facing systems without real customer records. NVIDIA describes the release, to its knowledge, as the first open persona dataset at million-record…