the Messenger of Allah ﷺ ruled that the blood money for the people of the book is half of that of the blood money for the Muslims, and they are the Jews and Christians.  

أَنَّ رَسُولَ اللَّهِ ﷺ قَضَى أَنَّ عَقْلَ أَهْلِ الْكِتَابَيْنِ نِصْفُ عَقْلِ الْمُسْلِمِينَ وَهُمُ الْيَهُودُ وَالنَّصَارَى