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In the next group , those with seven years of residence or more , the employment rate is only two percentage points higher , but within the underlying non-western groups of immigrants there is a stronger increase . Currently , the maximum marginal tax rate on estates over $ 3 million is 55 percent . Homepage of the American Federation of Labor-Congress of Industrial Organizations , a federation of unions representing more than 13 million workers throughout the United States . Before the passage of Medicaid and Medicare ( the federal health care program for the elderly ) in 1965 , a patchwork of programs sponsored by state and local governments , charities , and community hospitals financed and provided scattered , mostly emergency health care services to some indigent Americans . Among immigrants who have lived in Norway four years or less , the employment rate is 47.6 per cent , while those with four to six years of residence had a rate which was more than10 percentage points higher . ILO experience in other occupational health areas may provide elements for developing prevention and control practices in the workplace ; in the case of avian flu , the workplace may also provide an important platform for informing employers , workers and others about preventive measures and best practices .