The Japan Rice Protein Market size was valued at USD 8.284 Million in 2022. The Japan Rice Protein Market Size is expected to reach USD 16.474 Million by 2032, at a CAGR of 7.1% during the forecast period 2022 to 2032. The Japan rice protein market is growing steadily as a result of changing consumer preferences and a greater emphasis on plant-based protein sources, creating opportunities for both domestic and international players in this segment.