In the same time, improved sanitation coverage increased from 27% to 48% (see table 1).

The revised norm permits the installation of more efficient and of lower cost condominial sewerage systems and helps to increase sanitation coverage with limited funds.

In Nairobi, sanitation coverage was about 23% in 2006-2007.

Partly because of low sanitation coverage about 17,000 children die each year because of diarrhea.

Furthermore, a local result-based monitoring and evaluation system will be established in order to improve sanitation coverage and thus environmental and health conditions.

Bolivia's water and sanitation coverage has greatly improved since 1990 due to a considerable increase in sectoral investment.

For example, in 1980 rural sanitation coverage was estimated at 1% and reached 21% in 2008.

During the past decade, the Mexican water and sanitation sector made major strides in service coverage with water supply and sanitation coverage.

Drinking water supply and sanitation coverage in Honduras has increased significantly in the last decades.

In this period water coverage in the city increased from 72% to 98% and sanitation coverage from 68% to 93%.