Language: The official language is Portuguese, but African languages, such as Umbundu, Kimbundu, Kikongo and Chokwe, are also spoken by the majority a large portion of the population.
Religion: Roman Catholicism dominates religious thought in Angola, with other Christians lagging right behind and small minority that maintain local animist beliefs.
Time: GMT + 1.
Electricity: 220 volts AC, 60Hz. Plugs are of the European-style round 2-pin type.
Tips: There is no longer a need for photography permits. However many people still do not like to be photographed and should be asked before doing so. It is also inadvisable to avoid photographing public places, public buildings or public events, without asking permission first. Where service charge is not added to the bill, 10% is acceptable. Although tipping is not officially encouraged, the street boys who wash or guard the car should always be duely rewarded.
Traveling
Frequent checkpoints, poor road quality, and the presence of landmines make overland travel outside of Luanda dangerous. There have been reports of corruption and less than professional behavior in Angola’s police and military forces. However, visitors are advised not to challenge their authority and to be prepared to pay excessive "fees". Traveling by day to most parts of Luanda is considered relatively safe but passengers are encouraged to keep valuables out of sight and to keep all vehicle doors and windows locked. Traveling by vehicle after dark is not advised especially outside the major urban centers of Angola. When traveling in Luanda use only the regulated taxi service (Company Macon, but really expensive) unregulated taxis are can present a crime risk. You also can rent a car with driver, especially if you have to drive for more than 2 or 3 hours. Your Hotel can advise you. A car costs around 100 USD per day plus around 30 USD for a driver.
You only should travel with a valid work visa.
Crime
Crime is a serious problem throughout the country. Although violent crime against foreign travelers in not very common. Petty crime is common in Angola’s urban centers such as Luanda. Incidents of pick-pocketing and purse-snatching are the most commonly reported crimes against visitors although armed muggings do occur. Police officers and military forces have established roadblocks and checkpoints all over the country. There have been reported incidents of military and police officials demanding bribes to pass through checkpoints.