impacts of voluntary migration

Scotland

the government receives tax from migrant workers who are doing jobs that British people will not do due to low wages and unsociable hours.
generally migrants are seen as hard workers and many are highly skilled and/or graduates so brought sought after skills during the UK construction boom.
positives for a multicultural society would include Polish shops or aisles in supermarkets.

the language barrier and cultural differences can lead to racial tension. if ethnic groups do not integrate in certain areas this can lead to tension.
may lead to the development of over-crowded multi-occupancy accomodation due to the pressures on housing in certain areas.
the education system may become strained due the the number of children for whom English is not their first language.
due to the number of migrants entering the UK this can lead to increased unemployment rates contributing to the economic downturn.

fewer people means less pressure on limited resources like good quality housing and healthcare, allowing living standards to improve.
this will also help reduce the unemployment rates for the country and migrants will return with new skills.
the birth rate is lowered as male migrants are away so there will be a decline in the population further reducing strain on resources like education.
migrants often send money home to their families meaning that people have more money in Poland helping to improve standard of living.

active and most educated population left, known as the brain drain, which resulted in a skills shortage in donor countries.
it tends to be the elderly left behind and so the death rates may increase due to the ageing population.
families may be split if males leave to provide work and money for families.