You can get the Permanent Residency on the basis of your education, work experience and various other factors & on the basis of this PR, Skilled Worker immigration Visa grants you the permission to live and work lawfully anywhere in the country. As a Permanent Resident you are eligible to avail all the social welfare benefits offered by your destination country. Developed countries like Canada, Australia, UK, US look after its own people as the respective governments offer:
Free Medical Coverage with word-class health care.
Free education up to grade 13 (grade 12 in some provinces) and University / college education is highly subsidized for Canadian citizens & landed immigrants.
A person, who has worked for a minimum of 20 weeks and thereafter gets unemployed, is entitled to 60% of the last wages drawn under the Unemployment Insurance Coverage.
A person trying for a job but is not able to find one and is unable to support himself, is entitled to a Welfare Allowance from the government.
Canada offers a Pension Plan (Retirement Pension) to people at least 60 years old who have contributed to Canada Pension Plan.
Childcare Facility is available for low and middle-class families to handle childcare through tax credit system. Otherwise most childcare organizations are privately run and paid by parents.