He has more than 1,800 of the 2,081 delegates needed for the nomination.

Those four states, the nation's four most populous, will among them choose more than 45 percent of the 1,034 delegates needed for the Republican nomination.

By the end of March, the majority of the 2,168.5 delegates needed to win the nomination will have been allocated.

He now has 86 percent of the 2,145 delegates needed to secure the nomination.

The number of Democratic delegates needed for nomination is 2,081.

All together, nearly 60 percent of the delegates needed to win the Republican nomination will be chosen then.

The number of delegates needed for nomination is 2,082.

Clinton won this primary 48% to 41% and secured the delegates needed to clinch the nomination.

The Arkansas Governor now has 81 percent of the 2,145 delegates needed to secure the nomination.

He has fewer than half the delegates needed for nomination.