These welfare expenditures are only small fractions of total government expenditures on immigrants and natives. The educational levels of immigrants have been increasing from decade to decade. No major shifts in educational levels of immigrants relative to natives are apparent. Natural resources and the environment are not at risk from immigration. As population size and average income have increased in the United States, the supplies of natural resources and the cleanliness of the environment have improved rather than deteriorated.
Immigration increases the base of technical knowledge.
That speeds the current positive trends in both greater availability of natural resources and cleaner air and water. By cooperating in the publication of this monograph, we hope to contribute to the ongoing discussion of immigration reform in the Congress and among interested organizations and individuals. We, the organizations listed below, are happy to join in this effort. None of the groups agree with everything in the report but all agree with its general conclusions. This compilation of facts about immigration draws upon various of my previous writings about immigration and population economics.