150 years of roughly 2% growth

Real income / person ≈2% / year

ErasElectricity1882Mass production1908Transistor1947Microprocessor1971The Internet1991Generative AI2022

Source: US real income per person (2025 dollars), approximated for display from the Maddison Project; framing after Jones (2026) and Jones & Tonetti (2026)howfastis.ai ↗