The Population of Thailand (1950 - 2023) chart plots the total population count as of July 1 of each year, from 1950 to 2023.
For example, one study revealed a mean decrease of 1.54 centimetres (0.6 in) in the heights of 100 children from getting out of bed in the morning to between 4 and 5 p.m. inversely correlated), or an increase since lying down for a significant period of time (i.e.
Height can vary over the course of a day, due to factors such as a decrease from exercise done directly before measurement (i.e. As this case shows, data taken from a particular social group may not represent a total population in some countries. According to a study in France, executives and professionals are 2.6 centimetres (1.0 in) taller, and university students are 2.55 centimetres (1.0 in) taller than the national average. Different social groups can show different mean height. Under such circumstances, the mean height may not represent the total population unless sample subjects are appropriately taken from all regions with using weighted average of the different regional groups. For instance, one survey shows there is 10.8 centimetres (4.3 in) gap between the tallest state and the shortest state in Germany. Some countries may have significant height gaps between different regions. Test subjects may have been invited instead of chosen at random, resulting in sampling bias. 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. Some studies may allow subjects to self-report values. With regard to the second table, these estimated figures for said countries and territories in 2019 and the declared sources may conflict with the findings of the first table.įirst table: individual surveys and studies AccuracyĪs with any statistical data, the accuracy of the findings may be challenged. 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. 
Two tables which report the average adult human height by country or geographical regionīelow are two tables which report the average adult human height by country or geographical region.
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