As of 2023, the import of spark plugs to Japan stood at a value of X thousand kilograms. From the forecasted data, there is a consistent downward trend from 2024 to 2028. The import values show a year-on-year decline, with a percentage decrease in volume of approximately 4.30% annually. Over the five-year forecasted period, the compound annual growth rate (CAGR) indicates a continued reduction in import volume of spark plugs.

Future trends to watch for include:

Advancements in electric vehicles, which may reduce demand for traditional spark plugs.
Japan's domestic production capabilities increasing, potentially impacting import volumes.
Global supply chain fluctuations and their impact on import costs and volumes.