Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Yawan mutanen duniya ya ragu da fiye da kashi 99% a cikin karni na 20. Yawancin wannan ya kasance a cikin Antarctic, wanda aka rage zuwa mutane 360 ko kusan 0.15% na lambobin su na asali; sauran al'ummomin ba su da ƙarancin ƙarfi. Yawan kifayen shuɗi na Antarctic yana ƙaruwa da saurin kusan kashi 7.3% a kowace shekara, amma an farautarsa zuwa irin wannan ƙananan matakin da ya kasance a ƙananan ƙananan lambobin pre-whaling. Yawan mutanen duniya har yanzu suna buƙatar kariya, amma ba a cikin haɗarin halaka ba.Tun lokacin da aka kafa dokar hana farautar kifayen, bincike ya bincika ko yawan mutanen da ke da alaƙa da kiyayewa na duniya suna ƙaruwa ko kuma suna ci gaba da kasancewa. A Antarctic, mafi kyawun kimantawa sun nuna karuwar 7.3% a kowace shekara tun ƙarshen ba da izinin Soviet ba bisa ka'ida ba, amma lambobin sun kasance a ƙasa da 1% na matakan asali. Maidowa ya bambanta a yankuna, kuma yawan mutanen Blue Whale na Arewacin Pacific (a tarihi ƙananan ƙananan kashi na duniya) ya sake dawowa zuwa kimanin mutane 2,200, kimanin kashi 97% na yawan mutanen da suka fara farauta.An kiyasta yawan mutanen duniya a tsakanin 5,000 da 12,000 a shekara ta 2002; akwai manyan matakan rashin tabbas a cikin kimantawa na wurare da yawa. Wani ƙididdigar kwanan nan ta IUCN ya sanya yawan mutanen duniya a 10,000<unk>25,000.The IUCN Red List yana ƙidaya whale mai launin shuɗi a matsayin "mai haɗari", kamar yadda yake tun lokacin da aka fara jerin. A Amirka, Hukumar Kula da Kifi ta Ƙasa ta lissafa su a matsayin waɗanda suke cikin haɗarin halaka a ƙarƙashin Dokar Dabbobi da ke Haɗari. Mafi yawan adadin da aka sani, wanda ya kunshi kimanin mutane 2,800, shi ne yankin arewa maso gabashin Pacific na arewacin blue whale (B. m. musculus) wanda ya fito daga Alaska zuwa Costa Rica, amma ana ganin shi daga California a lokacin rani. Sau da yawa, wannan yawan jama'a suna ziyartar arewa maso yammacin Pacific tsakanin Kamchatka da arewacin Japan.  Tambaya: A ina ne yawan jama'a ba sa yawan ziyarta?
arewa maso yammacin Pacific tsakanin Kamchatka da arewacin Japan