Immisa qof ayaa dunida oo dhan? Jawaabta su'aashan jirta

dadka aduunka sii kordhaya sanad walba. Weli overpopulation ee dhulkeenna aan ku hanjabay. Khatarta jiritaanka aadamiga noqon kartaa isticmaalka aan buuxin khayraadka badeli iyo non-cusboonaysiin karo.

Waxaan ku dhashay oo ku dhintay

Jawaabta su'aasha ah dadka sida badan oo adduunka ah, dabcan, ay jiraan. Ka dib oo dhan, dal kasta oo xilliyo tirakoob. Sida uu sax u waadaxa ah ee tirooyinka, laga yaabee, ma hubi kartid. Maxaa yeelay, qof kasta oo labaad ku dhasha dunida, qof dhinto.

Sida ku cad warbixinta dadweynaha Jarmal of Fund Dhulka, barbaro ilaa bilowgii 2014, 7.2 bilyan oo qof oo ku nool dunida oo dhan. Tiradan waxaa uu ka badan yahay sannadkii hore 80 million, waayo, waa qof wax badan ka yar noolaa sano ka hor caalamka.

Iyo dhulka iyo badda

Dhererka dhul dhulka waa 149 million mitir oo laba jibbaaran. km. Iyada oo ku saleysan sida ay dad badan oo ku nool dunida, ee dunida waa in aan la isugu. Si kastaba ha ahaatee, dadka ku nool dunida oo dhan waxaa loo qeybiyaa di'in. Waxaa cad in lamadegaanka, glaciers, buuraha dhaadheer ficil Anfaco. Laakiin xitaa meelaha kuwa ku haboon yihiin nolosha aadanaha, ay deggan yihiin dadka kala duwan.

Inta badan dadka ku nool waqooyiga Ameerika. On the Safra koonfurta xisaabaadka% dadka 10 kaliya. Inta badan deggan qaarada Asian - waxay ku taalaa meel u dhow 60% ka mid ah aadanaha. wax la soo dhaafay dadka dad Australia iyo Oceania - oo kaliya 0.5%.

Si kastaba ha ahaatee, dadka ku nool karaa xitaa in xaaladaha dabiiciga ah ugu adag iyo si ay u degaan ee meelaha fog fog loogu talagalay oo dhan. Tusaale ahaan, 0.1% dadka uu deganaa ee meelaha badan sub-Arctic iyo Arctic. About 2 milyan oo qof oo soo qaado ee dhulka sare ee Tibet, Pamirs ah, dhulka buuraleyda Itoobiya (ka sarreeya 3600 m kor ku heerka badda).

Dadka dunida ku nool ay dalka

Guud ahaan, waxaa jira 196 dal ee dunida ka. Si kastaba ha ahaatee, waxaa loo aqoonsan yahay oo kaliya oo dhan, oo dhab ahaantii ay wali jiraan dalal iyo dhulal ku tiirsan aqoonsanayn. Waxa xiiso leh in la ogaado sida ma aha oo kaliya badan oo dadku ku nool yihiin, laakiin sidoo kale dadka dalka kasta oo dunida waa ugu badan.

Sidaas, kuwaas oo ah tobanka ugu sareeya ee ugu weyn tirada dalalka furan Shiinaha, Hindiya, Maraykanka, raaceen by Indonesia, Brazil, Pakistan. Isku buuxinta baxay ay Bangladesh, Nigeria, Russia iyo Japan.

In Shiinaha maanta, waxaa jira in ka badan 1 bilyan oo 300 milyan oo qof. Kale oo dalka-billionaire - waa Hindiya (in ka badan 1.1 billion oo qof.). Degan meel saddexaad, States United ayaa weli si dhab ah ka danbayso madaxda ah 310 milyan oo qof. Russia hadda waa meel 9aad ku nool yahay 143 milyan oo qof.

Haddii ay jirto a ee dalka ugu weyn marka la eego tirada dadka, in uu yahay, iyo yar. Kuwaas waxaa ka mid ah: Vatican The (in ka yar kun oo qof), Nauru, Tuvalu, Palau, San Marino, Monaco, Liechtenstein.

Halkee ugu dhaw?

On arrintan, dad badan oo aan ka waaban kartaa in aad ka jawaabto: Shiinaha iyo Hindiya. Laakiinse waxay idinku noqon doonaan khalad ah. Wadamadaas waxaa liiska ka mid ah dalalka ugu badan yihiin dadka rayidka ah ka fog meelaha ugu horeysay. Inkastoo India waa mid ka mid ah labaatan ah (celcelis ahaan mugga dadweynaha waa 357 qof oo ah halkii kiiloomitir laba jibaaran).

dalka ugu dadka badan caalamka - waa kibir yar ee Monaco. Waxaa ka mid ah kiiloomitir oo laba jibbaaran waxay hoy u tahay oo ku saabsan 16,000 oo qof. Waayo, Monaco, waxaana ku xiga Singapore iyo Republic of Maldives. Dabcan, dalalkaas ka tirsan tahay gobolka mini, laakiin statistics leeyihiin tirakoobka. Saddexdii hore weli ku dari kartaa, Vatican ee Malta iyo Baxrayn.

Si kastaba ha ahaatee, haddii aad qaadato a weli waaweyn ee deegaanka gobolka, iyaga ka mid ah mid ka mid ah kuwa ugu dad badan soo galo Bangladesh (1084 dadka per sq Km.).

cufnaanta tirada dadka adduunka ugu hooseeya ee Mongolia guriga in ka yar laba qof halkii 1 square,. km.

Tirada dadka ee meeraha Earth waxaa sii kordhaya

Geedi socodka koritaanka dadka dunida ee aan la kala gooyey. Waxaa jira xogta sida safri tan iyo bilowgii of our Zaman. Markaas dadka dunida ka mid ah oo ku saabsan 175 milyan oo qof. By dhamaadka BC ugu horeysay Millennium. e. waxayna la mid noqdeen amarka 275 million, by 1800 tiradaasi ayaa ku dhawaad 1 bilyan oo soo gaadhay, iyo in a boqol oo sano - horeba 1.6 billion 1960 duubay tiro ka mid ah dadka dunida ee 3 bilyan oo qof gudahood 1993 -. gudahood 5.6 billion .

In 15-kii sano ee la soo dhaafay tirada dadka dhulka ayaa weli sii kordhaya, 1999 - 6 bilyan oo 2006 - 6.5 billion, 2010 - 6.8 billion Sidee dad badan oo maanta ku nool dunida, aynu hore u hadlay oo ku saabsan .. Demographers saadaasha sheegeen in 2050 dunida ku noolaan doonaa oo ku saabsan 9.2 bilyan oo qof.

Waxa xiiso leh, 70-mada ay qarnigii la soo dhaafay, dadka ku koray by sharci hyperbolic, oo dhawaan ayaa ariinta ah ee koritaanka.

Shaqaalaha of Foundation Jarmal ee dadka Earth ayaa sheegay in caalamka waxaa waajib ku kordhay tirada dadka ee dalalka soo koraya.

Koritaanka ugu badan dadka ka dhacdaa dalalka sida Burundi, Imaaraadka Carabta ee Midoobey, Niger, Kuwait (3.5% sanadkiiba). Europe tilmaamayaasha sida aan ku faani karo. On lid ku ah, waxaa jira wadamada ay heerka dhimashada ugu badan yahay heerka dhalmada. Iyada oo heerka koritaanka dadka xun ee dunida ka jira 25 dal. ka mid ah Germany, Italy, Russia, Belarus iyo kuwa kale.

Tani waa sida ay u egtahay tirakoob ku saabsan mowduuca, "Imisa qof baa ku nool dunida oo dhan?"