2 Kings 14:21

21 Then all the people of Judah took Azariah, who was sixteen years old, and made him king in place of his 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 Now they made a secret design against him in Jerusalem; and he went in flight to Lachish, but they sent after him to Lachish and put him to death there.

20 And they took his body on horseback and put it into the earth with his fathers in Jerusalem, the town of David.

21 Then all the people of Judah took Azariah, who was sixteen years old, and made him king in place of his father Amaziah.

22 He was the builder of Elath, which he got back for Judah after the death of the king.

23 In the fifteenth year of the rule of Amaziah, son of Joash, king of Judah, Jeroboam, the son of Joash, king of Israel, became king in Samaria, ruling for forty-one years.