Entitlement spending is the fastest-growing part of the Federal budget.

Among the fastest-growing parts of the city's budget, for example, is Medicaid.

Medicaid is the fastest-growing part of the state's $101 billion annual budget.

Prescription drugs are now the fastest-growing part of the nation's health care bill.

The fastest-growing part is prescription drug costs, up 19 percent last year.

It is, in fact, the fastest-growing part of the state's $100 billion budget.

Providing technical services has become the fastest-growing part of both companies.

Today, it's the fastest-growing part of the city and home to a dazzling new financial district.

Montgomery's east side is the fastest-growing part of the city.

Indeed, this is still the fastest-growing part of the car market.