"The transition to a market economy has thus been accompanied by a demographic collapse and a rise in self-destructive behavior, especially among men," the report concludes.

But regardless of the stand taken by individual researchers on questions of numbers and rate of decline, none question the central fact of a demographic collapse.

This demographic collapse resulted in the retraction of indigenous agricultural fields, often to the best lands available, the humid bottom lands.

Improving the state of health of pregnant women is an even more serious problem at a time of demographic collapse.

At a time of drastic demographic collapse in Europe, every form of support for the family is valuable.

Women deserve more, today, because we do want, after all, to save Europe from demographic collapse, but this must not be done at the expense of women.

Many experts believe that one of the main problems in Europe, which could possibly be the most important problem of all, is the demographic collapse.

We now face a choice between demographic collapse or importing 100 million people to sustain our numbers and pay our pensions.

Three major crises led to radical changes in all areas of society - they were demographic collapse, political instabilities and religious upheavals.

In the early 7th century the province experienced a significant demographic collapse due to the consequences of the Byzantine-Persian war and the Jewish rebellion.