Predictions of future population size often assume population structures are stable. Are we missing the boat if we ignore the occurrence of unstable or transient dynamics? Agricultural crops are ...

On Nov. 15, the world’s population will hit 8 billion. In many ways, this is a global success story, representing the culmination of longer life expectancies, fewer maternal and child deaths, and ...

The global population crossed the 7 billion mark in 2011 and should hit 10.3 billion in the mid-2080s. People 65 and older are expected to outnumber kids 18 and younger by the year 2080.The world's ...

How do we know if a species is heading towards extinction? Demographics help us understand the size, status, and behavior of populations. Broadly defined, demography is the study of the ...

Centuries of history in Europe of led the changes in population. The migration of peoples due to various factors is still felt today in regards to where some of the largest and smallest population ...