Placeholder. Japan's non-alcoholic beer market is projected to grow the slowest of any major country researched (5.6% CAGR vs. India's 8.8% and China's 8.2%) — not because Japanese consumers want it least, but because the category is already so mature and high-quality there that there's simply less room for first-wave adoption growth.
What we've found so far: Kirin and Suntory are both named among the world's established major non-alcoholic beer players, with Japan's market described as 'sophisticated' and long-supported by health-oriented consumer behavior — the growth-rate ranking inverts what it initially appears to signal.
Open research: Get historical Japanese non-alcoholic beer sales data going back further (Japan is often cited as an early pioneer in this category); interview Kirin/Suntory on what 'maturity' concretely means for their current product roadmap.