The forecast of Japan's share in the world's top-cited aerospace engineering publications indicates a gradual decline from 5.07% in 2024 to 4.14% in 2028. This continuing downward trend reflects a need for Japan to bolster its position in this critical academic field, evidenced by a notable year-on-year decrease. In 2023, Japan's share stood at 5.32%, showing a sustained reduction over recent years. The Compound Annual Growth Rate (CAGR) suggests a steady average annual decline.

Future trends to watch for include:

Increasing global competition in aerospace research.
Japan's potential investment in innovative technologies to rejuvenate its publication influence.
Collaborative international research initiatives to counterbalance declines.