T\u00fcrkiye\u2019de gelir da\u011f\u0131l\u0131m\u0131 ara\u015ft\u0131rmas\u0131, gelir ve ya\u015fam ko\u015fullar\u0131 ara\u015ft\u0131rmas\u0131 ad\u0131 alt\u0131nda T\u00dc\u0130K taraf\u0131ndan ve y\u0131ll\u0131k bazda yap\u0131l\u0131yor. T\u00dc\u0130K bu ara\u015ft\u0131rmay\u0131 yaparken \u00f6rnekleme y\u00f6ntemini kullan\u0131yor ve T\u00fcrkiye Cumhuriyeti s\u0131n\u0131rlar\u0131 i\u00e7indeki b\u00fct\u00fcn yerle\u015fim yerlerini ve t\u00fcm hane halklar\u0131n\u0131 kapsama al\u0131yor. A\u015fa\u011f\u0131daki tablo T\u00fcrkiye\u2019de gelir da\u011f\u0131l\u0131m\u0131n\u0131 (Gini katsay\u0131s\u0131 baz\u0131nda) 2002 y\u0131l\u0131ndan bu yana g\u00f6stermektedir. 2002 ile 2005 y\u0131llar\u0131 aras\u0131nda katsay\u0131n\u0131n \u00f6l\u00e7\u00fcm\u00fc farkl\u0131 bir anket olan Hanehalk\u0131 B\u00fct\u00e7e Ara\u015ft\u0131rmas\u0131 anketi sonu\u00e7lar\u0131na g\u00f6re yap\u0131l\u0131yordu. O nedenle bu tabloya bunlar\u0131 da almakla birlikte y\u00f6ntem farkl\u0131l\u0131klar\u0131 nedeniyle 2002 \u2013 2005 y\u0131llar\u0131 sonu\u00e7lar\u0131yla 2006 \u2013 2016 y\u0131llar\u0131 sonu\u00e7lar\u0131 aras\u0131nda bire bir k\u0131yaslama yap\u0131lamayaca\u011f\u0131n\u0131 vurgulamak isterim. Tabloda son s\u00fctunda yer alan P80\/P20 oranlar\u0131; gelirden en fazla pay alan y\u00fczde 20\u2019lik grubun geliriyle en d\u00fc\u015f\u00fck pay alan y\u00fczde 20\u2019lik grubun geliri aras\u0131nda ka\u00e7 kat fark oldu\u011funu g\u00f6steriyor.<\/p>