11.   Higher education is largely free here, but while the student population has risen, state budgets for education have not.

12.   If Pakistan supports an American against terrorists across the border, the refugee population might rise in wrath.

13.   The fungus population rises and then falls as the wood breaks down, so a really bad year for spots is often followed by a better one.

14.   The homeless population is rising.

15.   The Latino population is rising in sharp numbers, as are the Asian and Armenian communities.

16.   The special education population rose even as total school population declined.

17.   Though population is rising quickly in the South, it is not rising as quickly as the amount of land these cities are consuming to accommodate the new arrivals.

18.   Yet the elderly population is rising.

19.   Experts say the mosquito population rises tenfold every two weeks and was expected to peak this week.

20.   In states like Florida, where the juvenile population is rising, many adults are especially fearful of out-of-control teens.