20%
Studies have shown there are around 2.6 billion people in the world without indoor plumbing. This is equal to nearly 40 percent of the world's population.
The United Nations Human Development Report (2006) estimated that 2.6 billion people lack basic sanitation. In other words, forty (40) percent of the people on this planet have no indoor plumbing. For more information, see Related Links, below.
"...increased by four percent" is a fragment because it lacks a subject. WHAT increased by four percent?
Chris Lacks's birth name is Christopher William Lacks.
Day (or David Lacks) was Henrietta Lacks's first cousin and later her husband.
there are ten lacks in 1million.
Chris Lacks is 6' 2".
Yo mamma lacks many electrons.
When a compound lacks water, it is called anhydrous.
Henrietta lacks died on October 4, 1951 at the age of 31.
It lacks mathematical perspective
It lacks water and an atmosphere