Within a span of about 25 years death rates fell from about 40 per 1,000 to 20 or less per 1,000. In 1990, the crude birthrate was 16. The total fertility rate reached 3.7 between 1955 an 1957 and fell to 1.8 in 1976, well below the 2.1 rate needed for the population to replace itself. Its goal was to promote an end to population growth as soon as possible through lowered birthrates nation and worldwide. Since the 1970s, the rage of legal immigration to the U.S. has accelerated with the largest numbers of immigrants coming from Asia and North America.
Many immigrants face competition and sometimes hostility.
This forces the children to join gangs or be isolated by their peers. Other parents encourage their children to stay out of the streets and stay in school.