Add to ORKGUzbekistan is first in terms of population size and second in economic potential among the Central Asian members of the CIS. In 1990, its population (71.4 percent of which is indigenousâUzbeks) numbered 20.3 million persons, whereas its northern neighborâKazakhstanânumbered 16.7 million (the indigenous population accounted for about 40 percent of its total population). In 1989, the republic produced 3.2 percent of the USSR's total national income. This was only one-fourth less than Kazakhstan (4.2 percent) and was 1.4 times more than Turkmenistan, Kyrgyzstan, and Tajikistan combined.