Tag Archives: sanitation

Chart of the week #14: Household access to improved water and sanitation by region, Tanzania 2012

Tanzania’s National Bureau of Statistics has just released a huge batch of data from the 2012 Census. I will dig into this over the coming weeks and months, but here are some charts to get started. The first shows household access to improved sources of drinking water by region, the second does the same for improved sanitation. Continue reading

Interactive – mapping water and sanitation access in Africa

My old colleagues at WaterAid have put together this interesting map of water and sanitation access across Africa. It shows trends in access to clean and safe water and improved sanitation by country.

Slide the year slider across below the map to see how access has changed since 1990. Or click on a country to see a simple chart showing progress since 1990, and what is needed to achieve universal access by 2030.

Click on Tanzania in particular, to see line on the chart going downwards – access to clean and safe water in Tanzania has declined since 1990.

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Further reading:

Finally, good data on sanitation in Tanzania. But it paints a bad picture

For years, the true state of household sanitation in Tanzania has been hidden by bad data. Household surveys have repeatedly found that around 85% of households across most of Tanzania have access to a pit latrine, with around 10% having better facilities (like flush toilets) and around 5% having nothing. This high level of access to basic latrines is a result of Mwl Nyerere’s Mtu ni Afya campaign in the 1970s.

But other than providing an opportunity for an interesting history lesson, this statistic was almost useless, as it made no distinction between well constructed, clean pit latrines and filthy, overflowing or uncovered pits. Now, at last, we have better data. Continue reading