In 2023, the import of doors, windows, frames of iron or steel to Japan stood at 3.51 million kilograms. From 2024 onwards, the forecasted data indicates a slight year-on-year decrease in import volumes. The expected values are 3.42 million kilograms in 2024, 3.33 million kilograms in 2025, 3.25 million kilograms in 2026, 3.16 million kilograms in 2027, and 3.08 million kilograms in 2028. The compound annual growth rate (CAGR) from 2023 to 2028 is expected to be around -2.6%, signifying a gradual decline over the five-year period.

Future trends to watch for include:

Changes in domestic production capabilities and policies in Japan, which may affect import volumes.
Global supply chain dynamics and trade relationships impacting the availability and price of iron or steel building components.
Environmental regulations and advancements in material science that could shift demand towards alternative materials.
Economic conditions affecting the construction industry in Japan, as it is a primary consumer of these products.