Inú ìwé Global Index of Religion and Atheism , tí àjọ Gallup International tẹ̀ jáde lọ́dún 2012 la ti mú àwọn ìṣirò yìí jáde .
Inu iwe Global Index of Religion and Atheism , ti ajo Gallup International te jade lodun 2012 la ti mu awon isiro yii jade .