In Psalm 20:5, the same joy in God's victory is prayed for; here it is realized in thanksgiving.

Psalm 20:6 expresses confidence that God saves His anointed — the very salvation the king rejoices over in Psalm 21:1.

Psalm 20:9 is the prayer for salvation that the king now rejoices in — the petition answered.

Psalm 28:7 rejoices in God as strength and salvation, closely mirroring the king's joy in Psalm 21:1.

In Psalm 63:11, the king rejoices in God, directly paralleling the royal joy in God's strength and salvation.

Psalm 118:14 declares God as strength and salvation, directly paralleling the king's rejoicing in God's strength here.

Psalm 118:15 describes shouts of joy and victory from the righteous, mirroring the king's joy in God's victories here.

In Psalm 27:6, the psalmist shouts with joy after deliverance from enemies, echoing the king's joy in victory here.

In Psalm 35:9, the psalmist rejoices in the LORD and his salvation, directly paralleling the king's joy in God's strength.

Psalm 9:14 rejoices in God's salvation, a personal praise that parallels the king's joy in victory here.

In Psalm 51:12, David prays for restored joy in salvation, reflecting the king's joy but from a repentant context.

Psalm 62:7 declares God as salvation and strength, the same attributes that cause the king's joy in Psalm 21:1.

Psalm 95:1 calls for joyful singing to the rock of our salvation, a communal echo of the king's personal joy in salvation.

1 Samuel 2:10 directly states God gives strength to his king and exalts his anointed, matching the king's joy in God's strength here.

2 Samuel 22:51 proclaims God gives great victories to his king, the same theme of divine victory celebrated here.

Isaiah 25:9 calls for rejoicing in God's salvation, directly paralleling the king's joy in God's strength.