2 Kings 14:21

21 All of the people of Judah took sixteen-year-old Azariah and made him king in place of this father Amaziah.

2 Kings 14:21 Meaning and Commentary

2 Kings 14:21

And all the people of Judah took Azariah
Called Uzziah in the next chapter, and so in the book of Chronicles; both names signifying much the same, the one "the help of the Lord", the other "the strength of the Lord":

(which was sixteen years old;)
yet as he began to reign in the twenty seventh year of Jeroboam, ( 2 Kings 15:1 ) and Jeroboam began to reign in the fifteenth yaer of Amaziah, ( 2 Kings 14:23 ) , he could be but four years of age, for the solution of which, (See Gill on 2 Kings 15:1):

and made him king instead of his father Amaziah;
which was after his death, and not when he fled to Lachish, as Kimchi thinks.

2 Kings 14:21 In-Context

19 They conspired against him in Jerusalem, so he fled to Lachish. But they sent [men] after him to Lachish, and they killed him there.

20 Then they carried him on the horses, and he was buried with his ancestors in the city of David.

21 All of the people of Judah took sixteen-year-old Azariah and made him king in place of this father Amaziah.

22 He rebuilt Elath and restored it to Judah after the king slept with his ancestors.

23 In the fifteenth year of Amaziah the son of Jehoash king of Judah, Jeroboam the son of Jehoash king of Israel began to reign in Samaria, [reigning] forty-one years.