When the British took over the administration of Tanganyika (Tanzania Mainland) from the Germans retained the Register of births and deaths established under the Germans law by saving it under the Births and Deaths Registration Ordinance, 1920 (Cap.108)
Wakati Waingereza walipoichukua Tanganyika (Tanzania Bara) kutoka kwa Wajerumani waliutambua utaratibu wa usajili wa vizazi na vifo uliowekwa kwa sheria za Kijerumani kwa kutambua daftari chini ya Sheria ya Usajili wa Vizazi na Vifo, 1920 (sura ya 108).