... net negative migration balance exists, the immigration to Britain has been substantial over the periiod undeeer consideration. Two general groups of ethnic groups may be identified as having fundamentally different characteristics. The first is the labour migration group, those migrants whose migration was driven by labour shortage in the UK and emplotment shortage at home. This group includes the Irish and the Afro Carribeans and also the south asians. The second includes those populations whose migration was of refugee in origin. This group includes the Jews and African asians and the Poles, and Vietnamese. I shall first consider the Irish experience. Between 1845 and 1851 the Irish population fell from 8.5 to 6.5 million, this being the result of substantial migration of the Irish population to America and the United Kingdom and the failiure of four years of the Potatoe crop from 1845 to 1848. Irish migration to Britain has ...

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