In Papua New Guinea, the poor have to spend more than 50% collecting to use clean water.
People in a village in the state of Gujarat, India, stand around the giant well to get water.
According to the World Health Organization (WHO), each person needs 50 liters / day for family needs and health hygiene. However, about 650 million people do not have a clean water source and have to live with water much lower than the above standards.
Papua New Guinea, Equatorial Guinea and Angola have the lowest percentage of households using clean water in the world.
Lack of cheap clean water is one of the biggest barriers preventing people from getting out of poverty and disease , according to the " Water Clean Status " report of the Water Aid charity.
Today's UN report estimates that 75% of worldwide work is related to water, meaning that water shortages will certainly limit economic growth for decades to come.
According to Reuters, in the capital of Port Moresby of Papua New Guinea, a poor person has to spend 54% of his daily income to buy 50 liters of water from the service provided for living.
Similarly, in Madagascar's capital Antananarivo, the cost of buying 50 liters of water provided by trucks is 45% of daily income, while the figure in Ghana's capital city Accra is 25%.
A British with a minimum wage of 0.1% of his daily income to buy 50 liters of water through the supply pipe. The average water usage of the British people is 150 liters per day.
In Mozambique, the black market-dependent families have to pay water fees 100 times higher than government subsidies.
Cambodia, Mali, Laos and Ethiopia made the biggest progress in increasing clean water use. Although there are many achievements, inequality still exists in these countries when the poorest people often have to spend the most income to use water.
According to the latest report of the Ministry of Agriculture and Rural Development, only 45% of the population in rural Vietnam use clean water according to the standards of the Ministry of Health. The Government of Vietnam is carrying out a project to provide 500 billion VND of clean water from 2010 to 2020 to meet the demand for clean water for all people living in this area in the next decade.