Since the mid-twentieth century, there has been a significant increase in life expectancy at birth around the world. This is due to a number of factors, including improvements in health care, nutrition, and sanitation. As a result, people are living longer and healthier lives than ever before.
According to the World Bank, the average life expectancy at birth in 1950 was just 46 years. By 2019, it had increased to 72 years. This increase is expected to continue in the coming years, with the average life expectancy at birth projected to reach 77 years by 2050.
Improved sanitation and the introduction of vaccines. Life expectancy also has increased by 31%, a rise of about twenty years on average