{"video_description":{"idno":"VDO_004","title":"The Data Minute: Why has the number of children per woman changed?","date_published":"2013-04-29","description":"Fertility rates tell us the average number of children a woman will give birth to in her lifetime. How do we measure them, how have fertility rates changed over time and what do they tell us about development?","genre":"Documentary","main_entity":"World Bank","content_reference_time":"2017","languages":[{"name":"English","code":"EN"}],"creator":"World Bank. visualizations by Google Public Data Explorer","video_url":"https:\/\/www.youtube.com\/watch?v=uOuzC0UMBHQ","embed_url":"https:\/\/www.youtube.com\/embed\/uOuzC0UMBHQ","duration":"PT1M28S","transcript":[{"language":"English","text":"0:00\nin the 1950s on average a woman would\n0:02\ngive birth to five children in her\n0:04\nlifetime today the number is half that\n0:06\nglobally every woman gives birth to an\n0:08\naverage of 2.5 children but how do we\n0:10\nknow this and what does it tell us\n0:12\nstatisticians take household survey and\n0:14\ncensus data from countries and look at\n0:16\nhow many children women of various ages\n0:17\nreported they had with this data they\n0:20\ncalculate age specific fertility rates\n0:22\nfor men of different ages and then\n0:24\ncombine these data for a given year in a\n0:26\ncountry to calculate the total fertility\n0:28\nrate this numbers great because it lets\n0:30\nus compare data between countries and to\n0:32\ntrack trends over time since the 1950s\n0:35\nas countries have gotten richer\n0:36\nfertility rates have subsequently gone\n0:38\ndown there are several possible\n0:40\nexplanations for this trend as people\n0:42\nget richer we also see reduced childhood\n0:44\nmortality and better educated women the\n0:47\ngood cote d'ivoire from the 60s until\n0:49\n1980 fertility rates remained high as\n0:52\nunder 5 mortality was coming down but\n0:54\nthen suddenly as soon as more children\n0:56\nstarted living past their fifth birthday\n0:58\nyou see fertility rates dropping well\n1:00\nbelow the regional average how about\n1:02\nEgypt in the 1970s less than 40 percent\n1:05\nof girls completed primary school and in\n1:07\nthe last 30 years that number has gone\n1:09\nup to more than 90 percent at the same\n1:11\ntime the Tildy rates have harmed as you\n1:14\ncan see the till he tells us a lot you\n1:17\ncan access over 50 years of fertility\n1:18\nrate data in the world development\n1:20\nindicators online and you can use tools\n1:22\nlike Google's public data Explorer to\n1:24\nsee for yourself how fertility rates\n1:26\ncorrelate with other measures and\n1:27\ndevelopment"}]},"schematype":"video","resources":[]}