Global military build-up is intensifying competition for air superiority, with major world powers investing heavily in advanced fighter jets. Historically, the United States has held a leading position in this domain, but that dominance is now being challenged. The report focuses on identifying the top three fighter aircraft expected to be in service worldwide by 2026, reflecting a changing landscape of aerial warfare capabilities. This shift indicates a broader re-evaluation of military strength and technological advancements among nations. The increasing investment suggests a potential for escalated geopolitical tensions and a renewed arms race. The analysis highlights the evolving dynamics of global air power and the diminishing certainty of continued US supremacy.