Below are two tables which report the average adult human height by country or geographical region. With regard to the first table, original studies and sources should be consulted for details on methodology and the exact populations measured, surveyed, or considered. With regard to the second table, these estimated figures for adult human height for said countries and territories in 2019 and the declared sources may conflict with the findings of the first table.
First table: individual surveys and studies
Accuracy
As with any statistical data, the accuracy of the findings may be challenged. In this case, for the following reasons:
Some studies may allow subjects to self-report values. Generally speaking, self-reported height tends to be taller than measured height, although the overestimation of height depends on the reporting subject's height, age, gender and region.
Test subjects may have been invited instead of random sampling, resulting in sampling bias.
Some countries may have significant height...