English is also widely spoken. Ethiopia follows the Julian calendar, which consists of twelve months of 30 days and a thirteen month of five to six days. The population is estimated at 60 million, over 50 per cent of whom are under 20 years old. The average number of inhabitants per square kilometer is 49. Hotels Addis Ababa has hotels that cater for all pockets, from the luxurious Sheraton and Hilton hotels, to the tourist-class hotels such as the Ghion, the Ethiopia and the Wabi Shebelle.
All tourist resorts offer a choice of modern hotels.
Except in the case of a few nationals, passengers transiting Ethiopia within 12 hours only for connection purpose, holding confirmed onward booking and entry visa for the country of their destination. However, in this case, passports are held at the airport until departure and a pink-coloring receipt card issued. The local currency is the Ethiopian Birr, made up of 100 cents. Foreign currency may only be changed at authorized banks and hotels. The currency declaration form must be retained as this will be required by Customs on departure.