High-speed Internet access has been the fastest-growing sector for most cable companies.

The over-85 age group, the fastest-growing sector of the population, consists mostly of women.

For the last two years, breakfast has been the fastest-growing sector of the fast food industry.

It gave legal protection to private enterprise, already the fastest-growing sector of the economy.

It is one of the fastest-growing sectors of the economy: growth in 2006 was 13.6 percent.

Consider bottled water, the fastest-growing sector of the beverage business.

The fastest-growing sector of the industry is family cruises.

It has become fiercely competitive and one of the country's fastest-growing economic sectors.

But in the last 10 years, the fastest-growing sector of Japan's booming economy has been in services, not heavy industry.

They account for only 3.5 percent of China's economy, but they have been the fastest-growing sector.