For all Israel, i.e. for Judah and Benjamin, and all the rest of the tribes, whereof a considerable number were now in his dominions.
Related Commentaries of 2 Chronicles 29:24
2 Chronicles 29:24
24 And the priests killed them, and they made reconciliation with their blood upon the altar, to make an atonement for all Israel: for the king commanded that the burnt offering and the sin offering should be made for all Israel.