5. People The Tajiks, as an Indo-European speaking people, have inhabited Central Asia since the dawn of civilization and are most closely related to the people of Iran. They have gave name to all of what today is Kazakistan , Turkmenistan, Afghanistan etc. The -stan Suffix, in these countires names, means land in Tajik(Persian) language. More than 90 percent of the population is Moslem. The people are notable for their industrious nature, settled way of life, devotion to family, children,native land and home.