One person in ten in Guinea is a refugee from either Liberia or Sierra Leone.

ECONOMIST: Guinea

Vietnam's population of 75m is mostly Buddhist, but more than one person in ten is a Catholic.

ECONOMIST: Vietnam: Troublesome Christians | The

If that were translated into reality, one person in ten would need to be pulled aside for extra screening.

ECONOMIST: High-tech passports are not working

One person in ten in the Middlesbrough travel-to-work area is unemployed (rising to more than one in five in several wards), one of the country's worst records.

ECONOMIST: Middlesbrough

" Hanushek and Woessmann conclude that "In many developing countries, the share of any cohort that completes lower secondary education and passes at least a low benchmark of basic literacy in cognitive skills is below one person in ten.

UNESCO: EDUCATION

Only one French person in two uses deodorant, compared with three-quarters of Spaniards and Germans, and nearly nine out of ten Britons.

ECONOMIST: France��s bathroom blues | The

One study shows that adding ten mobile phones per 100 people in a typical developing country boosts growth in GDP per person by 0.8 percentage points.

ECONOMIST: A way to earn money by texting