The average Sri Lankan is 160.12cm (5 feet 3.04 inches) tall.The average man in Sri Lanka is 165.68cm (5 feet 5.23 inches) tall.The average woman in Sri Lanka is 154.56cm (5 feet 0.85 inches) tall.The average person in Honduras is 160.11cm (5 feet 3.03 inches) tall.The average Honduran man is 166.39cm (5 feet 5.5 inches) tall.The average Honduran woman is 153.84cm (5.056 inches) tall.The average Liberian is 159.66cm (5 feet 2.85 inches) tall.An average Liberian man is 163.66cm (5 feet 4.43 inches) tall.An average Liberian woman is 155.66cm (5 feet 1.28 inches) tall.The average person is Myanmar is 159.52cm (5 feet 2.8 inches) tall.An average Myanmarese man is 164.67cm (5 feet 4.83 inches) tall.An average Myanmarese woman is 154.37cm (5 feet 0.77 inches) tall.The average Bruneian is 159.49cm (5 feet 2.79 inches) tall.The average Bruneian man is 165cm (5 feet 4.96 inches) tall.The average Bruneian woman is 153.98cm (5 feet 0.62 inches) tall.The average Bhutanese person is 159.46cm (5 fet 2.77 inches) tall.The average Bhutanese man is 165.3cm (5 feet 5.07 inches) tall.The average Bhutanese woman is 153.62cm (5 feet 0.48 inches) tall.The average Mozambican is 159.37cm (5 feet 2.74 inches) tall.An average Mozambican man is 164.79cm (5 feet 4.88 inches) tall.The average Mozambican woman is 153.96cm (5 feet 0.61 inches) tall.An average Solomon Islander is 159.27cm (5 feet 2.7 inches) tall. Men, on average, in the Solomon Islands are 164.14cm (5 feet 4.62 inches) tall.While woman in the Solomon Islands are, on average, 154.41cm (5 feet 0.79 inches) tall.Papuans are an average 159.21cm (5 feet 2.68 inches) tall.Papuan men are 163.56cm (5 feet 4.39 inches) tall on average.Papuan women are 154.87cm (5 feet 0.97 inches) tall on average.The average height of a person in Peru is 159.08cm (5 feet 2.63 inches). An average Peruvian man is 165.23cm (5 feet 5.05 inches) tall.An average Peruvian woman is 152.93cm (5 feet 0.21 inches) tall.Vietnamese people have an average height of 159.01cm (5 feet 2.60 inches).Vietnamese men are on average 164.44cm (5 feet 4.74 inches) tall.Vietnamese women are on average 153.59cm 5 feet 0.46 inches) tall.Indians are 158.76cm (5 feet 2.5 inches) tall on average. An average Indian man is 164.94cm (5 feet 4.93 inches) tall.The average Indian women is 152.58cm (5 feet 0.07 inches) tall.Rwandans have an average height of 158.73cm (5 feet 2.49 inches).Rwandan men are on average 162.67 (5 feet 4.04 inches) tall.Rwandan women are on average 158.73cm (5 feet 2.49 inches) tall.People from Malawi are 158.31cm (5 feet 2.32 inches) tall on average.The average man from Malawi is 162.22cm (5 feet 3.86 inches) tall, and the average women from the country is 154.4cm (5 feet 0.78 inches) tall.Indonesians are an average 158.17cm (5 feet 2.27 inches) tall.Indonesian men are 163.55cm (5 feet 4.39 inches) tall on average.Indonesian women are 152.79cm (5 feet 0.15 inches) tall on average. Cambodians are an average of 158.11cm (5 feet 2.24 inches) tall.The men are an average 163.32cm (5 feet 4.30 inches) tall, while the women are an average 152.9cm (5 feet 0.19 inches) tall.An average person in the small Micronesian nation of the Marshall Islands is 157.05cm (5 feet 1.83 inches) tall.A man from the Marshall Islands is on average 162.8cm (5 fet 4.09 inches) tall.A woman from the Marshall Islands is on average 151.3cm (4 feet 11.56 inches) tall.The average Bangladeshi is 157.29cm (5 feet 1.92 inches) tall.The average Bangladeshi man is 163.8cm (5 feet 4.48 inches) tall.The average Bangladeshi woman is 150.78cm (4 feet 11.36 inches) tall.The average Yemeni is 156.92cm (5 feet 1.78 inches) tall.The average male in Yemen is 159.88cm (5 feet 2.94 inches) tall.The average female in Yemen is 153.97cm (5 feet 0.61 inches) tall.The average Nepalese person is 156.58cm (5 feet 1.64 inches) tall.The average Nepalese man 162.31cm (5 feet 3.9 inches) tall.The average Nepalese woman is 150.86cm (4 feet 11.39 inches) tall.An average Filipino is 156.41cm (5 feet 1.57 inches) tall.The average Filipino man is 163.22cm (5 feet 4.25 inches) tall.The average Filipino woman is 149.6cm (4 feet 10.89 inches) tall. The average Guatemalan is 156.39cm (5 feet 1.57 inches) tall. The average Guatemalan man is 163.4cm (5 feet 4.33 inches) tall.The average Guatemalan woman is 149.38cm (4 feet 10.81cm) tall.The average person in Madagascar is 156.36cm (5 feet 1.56 inches) tall.The average Malagasy man is 161.54cm (5 feet 3.6 inches) tall.The average Malagasy woman is 151.18cm (4 feet 11.51 inches) tall.An average person from Laos is 155.89cm (5 feet 1.37 inches) tall.A Lao man is on average 160.51cm (5 feet 3.19 inches) tall.Lao women are 151.26cm (4 feet 11.55 inches) tall on average.People on the Southeast Asian island of Timor are on average 155.47cm (5 feet 1.28 inches) tall.The average Timorese man is 159.79cm (5 feet 2.9 inches) tall.The average Timorese woman is 151.15cm (4 feet 11.5 inches) tall.Genetics is only part of the answer, Majid Ezzati, who runs the NCD study at Imperial College London, told BBC News.Speaking of how national average heights change over decades, he said: About a third of the explanation could be genes, but that doesn't explain the change over time. Genes don't change that fast and they don't vary that much across the world, he said, adding: So changes over time and variations across the world are largely environmental.Environmental factors such as poor diet are likely part of the answer, according to the BBC, citing a study that found a 20cm (7.9 in) difference between children in the tallest and shortest nations.It could also help explain why average heights in several nations have both risen and fallen over the last decades — while nations like Japan, South Korea and China have seen height increases, some sub-Saharan African nations like Uganda and Sierra have seen male height decreases, the BBC reported.