According to International Monetary Fund data, the United Kingdom's share of global GDP measured by purchasing power parity (PPP) has declined from 4% in 1988 to 2.1% in 2025. The combined share of France, Germany, Italy, Japan, and the UK fell from 37% in 1990 to 16% in 2025, while the United States maintained a steady 26% share over the same period. Japan's share decreased from 8.8% in 1990 to 3.2% in 2025, whereas India's share increased from 3.4% to 8.5%. Indonesia's share rose from 1.7% in 2000 to 2.5% in 2025, surpassing the UK's 2.1%. Projections by Goldman Sachs for 2075 forecast China as the largest economy with $57 trillion GDP, followed by India at $52.5 trillion, and the United States at $51.5 trillion. Other emerging economies expected to rank among the largest include Indonesia ($13.7 trillion), Nigeria ($13.1 trillion), Pakistan ($12.3 trillion), Egypt ($10.4 trillion), and Brazil ($8.7 trillion). Additionally, various reports highlight countries offering residency through real estate investment and favorable conditions for retirees and expatriates seeking affordable living options abroad.