8.2 Billion and Counting: A Country-by-Country Population Visualization

Global population surpassed 8.2 billion in 2025, with India contributing roughly a quarter of that growth and nearing 1.46–1.5 billion while China declines; the United States is around 347 million, and Nigeria is projected to overtake the U.S. by 2050. The Visual Capitalist graphic visualizes 204 countries’ populations using UN data, highlighting aging trends in Europe (Italy and Greece shrinking) and broader demographic shifts.