Orthopedic joint replacement encompasses the surgical substitution of damaged articulating surfaces—hips, knees, shoulders, ankles, elbows—with engineered implants to restore mobility and relieve pain. With the global population over 65 set to double by 2050 and chronic arthritis affecting 600 million people, the orthopedic joint replacement market size reached USD 19.7 billion in 2025 and is forecast to expand at a 6.1% CAGR through 2033, driven by procedure volumes that now exceed 3 million implants annually. The growth outlook is underpinned by rising obesity, active-aging lifestyles, and emerging-market insurance coverage, while the market forecast is amplified by robotic-assisted surgery, 3-D printed porous titanium, and outpatient migration that compresses episode cost by >25%. Industry expansion is further catalyzed by value-based procurement, where hospital buyers bundle implants, navigation, and post-acute care for risk-sharing contracts.