Complex sentence: The 2008 figures released by the Turkish Foreign Ministry place the current number of Turkish citizens of Greek descent at 3,000--4,000; however, according to Human Rights Watch, the Greek population in Turkey was estimated at 2,500 in 2006.
Split into simpler sentences: The 2008 figures released by the Turkish Foreign Ministry place the current number of Turkish citizens of Greek descent at 3,000--4,000. However according to the Human Rights Watch, the Greek population in Turkey was estimated at 2,500 in 2006.