In the last decades humanity has made great progress with less extreme poverty, increased health, wealth and democracy. We follow in the tradition of professor Hans Rosling.
Globally, the number of births among teenage girls has fallen by over one-third since 2000. In Central and South Asia, the figure has dropped by over three-quarters during the same period. The decline is seen across all regions of the world, according to data from the UN.
The annual number of premature deaths from indoor air pollution has dropped from around 4.5 million to just under 3 million per year. The decline is driven by more people gaining access to cleaner cooking fuels. Asia accounts for the largest reduction, with deaths cut roughly in half.
Every generation over the past six decades has had higher income than the previous one. American millennials aged 36β40 had a median household income 20 percent higher than Generation X. The increase happened without more work hours β earlier generations' growth was partly driven by increased work.
The Przewalski's horse was declared extinct in the wild during the 1970s and has been reintroduced through a conservation program launched in 1985. Przewalski's horse is the world's only surviving wild horse species and has an evolutionary history of 60 million years.
Nearly three quarters of the world's countries received higher or unchanged scores in the 2025 democracy index. Latin America and the Caribbean broke a nine-year decline and improved their results. The global index rose by 0.02 points, one of the largest increases since 2012.
The Simon Abundance Index (SAI) measures the relationship between population and resource abundance. It rose from 100 in 1980 to 636.4 in 2025, an increase of 536.4 percent. While the world's population grew by 85 percent, personal resource abundance increased by 244 percent.
The share of older people with dementia at any given age has fallen by two-thirds over 40 years. An 85-year-old in 2024 has one-third the risk of having dementia compared to an 85-year-old in 1984.
Hookworm infects more than 100 million people and is a major cause of iron-deficiency anemia, particularly in children and pregnant women. A phase 2 trial shows that a vaccine candidate substantially reduces the intensity of infection.
The number of overdose deaths in the US is estimated to have fallen by 35 percent from the peak year of 2023 to 2025. The purity of seized fentanyl powder was cut in half between August 2023 and the end of 2024. A coordinated counter-narcotics strategy has choked off the supply of fentanyl.