MILITARY INTEL: Historical Arms Proliferation Patterns Global military expenditure reached $2.4 trillion in 2023—a 3.5% increase from 2022—with the top 10 spending nations accounting for 83% of total defense budgets. China and Russia have accelerated modernization programs since 2010, with Beijing's defense spending growing at an average 7.5% annually despite official figures suggesting lower growth. This spending trajectory mirrors the 1930s-1940s period when rising powers expanded military capacity before major geopolitical realignment. Understanding these expenditure patterns matters because they historically precede shifts in regional military balance: the Soviet buildup drove NATO expansion in the 1950s-60s, and China's naval modernization is now reshaping Indo-Pacific security calculus in ways comparable to Britain-Germany naval competition (1900-1914).