Setswana is the national language. The majority of the population holds animistic beliefs. There are small Muslim communities. 220-240 volts AC, 50Hz. There are very few public phone boxes.
Services are slow but cheap.
Airmail service to Europe takes from one to three weeks. There are post offices in all the main towns, although there are no deliveries and post must be collected from boxes. From time to time these change. UK Europe WorldWide, excl. North America WorldWide, incl.