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In 2010 , the world 's Russian population was 129 million people of which 86 % were in Russia , 11.5 % in the CIS and Baltic countries , with a further 2.5 % living in other countries .
 Russia, CIS, Baltic
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Russia, CIS, Baltic