South Africa Mushroom Production is set to reach 27,920 Metric Tons by 2026 from 24,070 Metric Tons, is expected to increase 5.1% per year. Since 1966, the supply jumped by 3.5% year on year to 12,424,000 Metric Tons. Japan, the United States and Poland respectively came in numbers 2, 3 and 4 in this ranking.