Hnub no, cov cheeb tsam nroog loj tshaj plaws suav nrog Northern America (nrog 82% ntawm nws cov pejxeem nyob hauv nroog hauv xyoo 2018), Latin America thiab Caribbean (81%), Europe (74%) thiab Oceania (68%). Qib ntawm nroog loj hauv Asia tam sim no kwv yees li 50%.
Nyob hauv nroog nyob qhov twg?
Txij li xyoo 1950 qhov kev loj hlob sai tshaj plaws hauv nroog tau tshwm sim hauv LEDCs (tsawg Economically Developed Countries) hauv South America, Africa thiab Asia. Nyob nruab nrab ntawm 1950 thiab 1990 cov pej xeem hauv nroog nyob hauv LEDCs ob npaug.
Nroog nroog tshwm sim qhov twg ntau tshaj?
Nroog nroog tau tshwm sim sai dua hauv cov tebchaws tsim, nrog Africa thiab Asiaqhia cov nqi siab tshaj hauv nroog.
Lub teb chaws twg tab tom ntsib kev nroog?
Hauv qab no yog cov tebchaws uas muaj tus nqi siab tshaj hauv nroog:
- Uganda - 5.7%
- Burundi - 5.68%
- Oman – 5.25%
- Tanzania - 5.22%
- Burkina Faso - 4.99%
- Mali – 4.86%
- Ethiopia – 4.63%
- Lub koom pheej ywj pheej ntawm Congo - 4.53%
Peb theem ntawm kev lag luam yog dab tsi?
Khe nws tuaj yeem muab faib ua peb theem: theem pib, theem kev ua koob tsheej (nrog rau theem acceleration thiab deceleration theem), thiab theem davhlau ya nyob twg. Ob txoj hauv kev yeej ib txwm siv rau kev tshawb fawb ntawm urbanization nkhaus thiab qhov cuam tshuam rau nroog loj.
