New Study Reveals the World's Tallest and Shortest Populations

A new global study has revealed the tallest and shortest populations worldwide. The research, covering 193 countries, also highlights extreme individual heights, from record-breaking giants to national averages. Factors like diet, wealth, and healthcare play a key role in shaping these differences. The NCD Risk Factor Collaboration analysed data from over 2,500 population studies between 1985 and 2019. Their findings focus on the average heights of 19-year-olds, representing typical adult stature. Greece leads with the highest average male height at 172.55 cm, followed closely by Austria at 172.7 cm. Belarus, the Cook Islands, and Bermuda share third place, each with an average of 172.8 cm.

American men rank 47th globally, averaging 176.9 cm, while American women sit at 58th with an average of 163.3 cm. The study notes that economic prosperity, particularly in nations like Luxembourg and Iceland, links to greater height. High GDP per capita improves access to nutrition, healthcare, and lowers disease rates, pushing average male heights above 180 cm in some countries.

Cultural habits also influence growth. In the Netherlands and Montenegro, post-war economic booms boosted childhood nutrition, reducing stunting and increasing generational height. Diets rich in dairy and protein further support taller populations.

Among individuals, Robert Wadlow of the US remains the tallest person ever recorded at 2.72 meters. Currently, Sultan Kösen from Turkey stands at about 2.51 meters, while Brahim Takioullah of Morocco and Iranian volleyball player Morteza Mehrzad both measure around 2.46 meters. The study underscores how wealth, diet, and healthcare shape national height trends. Countries with strong economies and balanced nutrition consistently rank higher in average stature. Meanwhile, extreme individual heights continue to draw attention, with historical records and modern cases standing out.