The Electoral College's Disproportionate Impact on Campaign Strategy The Electoral College system, established in 1787, means that presidential campaigns focus heavily on approximately 7-10 "swing states" while largely ignoring the other 40+ states. In 2020, over 99% of campaign spending occurred in just 15 states, with candidates visiting swing states at roughly 10x the rate of non-competitive states. This concentration of attention has historical roots: the system was designed partly to balance power between slave and non-slave states (the Three-Fifths Compromise amplified Southern voting power), yet today it primarily benefits battleground states like Pennsylvania, Michigan, and Arizona. Understanding this dynamic explains why a candidate can win the popular vote by millions but lose the presidency, why certain demographic groups in specific regions receive outsized political attention, and why infrastructure and policy priorities often favor electorally critical areas—a structural reality that shapes which issues gain national prominence and which communities shape electoral outcomes.