Before the 1966 census, all population counts in Lesotho were by "assembly," i.e., groups of people counted together. The biggest problems of the 1966 census were finding trained people to do the questioning, communicating with various groups, and finding the rural people at home. The night of the census came during the rains of the farming season. The announcement that a census would be taken raised fears in the minds of the less educated and led them to give less than accurate datason such questions as the number of household members not living at home. Particular problems were encountered with the questions on blindness, on race (with many subgroups of the Basotho classified as "other Africans"), and the confusion over the term "household." The question on age should be rephrased to read "age at last birthday" and a date of birth included. There should be more research into local historical calendars. An immediate postenumeration survey should be run to measure accuracy of data and a permanent census office should be set up to provide continutity. - See more at: http://www.popline.org/node/511282#sthash.fxYfyEd6.dpuf