1955-1960 : cbr* : 53.8 | [TABLECONTEXT] : [title] : Demographics of Niger | 1955-1960 : imr* : 171 | 1955-1960 : natural_change_per_year : 88 000 | 1955-1960 : nc* : 29.0 | [TABLECONTEXT] : period : 1955-1960
Between 1955 and 1960, Niger's crude birth rate of 53.8 and an infant mortality rate of 171 per thousand births resulted in a natural change of 29.0, or 105,000 per year.