2 Kings 14:21

21 The people of Judah then crowned his sixteen-year-old son Uzziah as king.

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 There was a plot in Jerusalem to assassinate Amaziah, so he fled to the city of Lachish, but his enemies followed him there and killed him.

20 His body was carried back to Jerusalem on a horse and was buried in the royal tombs in David's City.

21 The people of Judah then crowned his sixteen-year-old son Uzziah as king.

22 Uzziah reconquered and rebuilt Elath after his father's death.

23 In the fifteenth year of the reign of Amaziah son of Joash as king of Judah, Jeroboam son of Jehoash became king of Israel, and he ruled in Samaria for forty-one years.