Japan’s housing starts surged 33.9% yoy in May 2026, sharply accelerating from a 11.4% increase in the previous month and marking the second straight month of expansion. It was also the fastest growth since March 2025, topping market expectations of 31.8%. Growth was broad-based across most segments, including owner-occupied homes (31.8% vs 19.5% in April), rental housing (33.3% vs 17.3%), built-for-sale housing (39.2% vs 3.4%), and two-by-four homes (24.8% vs 64.8%). In contrast, prefabricated housing fell 3.4%, swinging from a 11.1% increase in April.