Children's NISA Japan 2027: ¥600K Limit, Eligibility & Should You Open One Before Your Own?
Japan's Children's NISA (Kodomo NISA) launches January 2027 — ¥600K annual / ¥6M lifetime tax-free for kids 0-17. The math says splitting your contribution between adult and child NISA gives identical returns, so fill your own first. But there's one reason to open one anyway — and otoshidama is how you fund it.