<prompt> Bhala okuqhubekayo kwalesi sigaba - izahluko ezimbili ezilandelayo zikaKennedy zincike kakhulu ekubaleni kukaBairoch kwezimboni, ekulinganiseni zonke izizwe ngenkomba, lapho u-100 eyisilinganiso saseBrithani sokuhweba ngomuntu ngamunye ngo-1900. I-United Kingdom ikhula isuka kwabayishumi ngo-1750, iye kwabayishumi nesithupha ngo-1800, iya kwabangamashumi amabili nanhlanu ngo-1830, iya kwabangamashumi ayisithupha nane ngo-1860, iya kwabangamashumi ayisishiyagalombili nesikhombisa ngo-1880, iya kwabangamakhulu ayikhulu ngo-1900 ikhasi 149. Ngokuphambene, izinga lokukhiqiza kwabantu eFrance lalingu-9 ngo-1750, 9 ngo-1800, 12 ngo-1830, 20 ngo-1860, 28 ngo-1880, no-39 ngo-1900. Izingxenye ezilinganiselwe zokukhiqizwa kwezokukhiqiza emhlabeni ezivela okokuqala ekhasini 149 zisetshenziselwa ukulinganisa amazinga aphakeme naphansi kwamandla emazweni amakhulu. Ngokwesibonelo, iChina, iqala ngo-32.8 womkhiqizo womhlaba wonke ngo-1750 bese yehla kakhulu ngemva kweMpi Ye-Opium Yokuqala, iMpi Ye-Opium Yesibili  <response>: futhi i-Taiping Rebellion yaba ngu-19.7 womkhiqizo womhlaba wonke ngo-1860, no-12.5 ngo-1880 uma kuqhathaniswa no-1.9 wase-UK ngo-1750, wakhula waba ngu-19.9 ngo-1860, no-22.9 ngo-1880. 