3.1 Calculated increase in human population over the last 50 years.

During just the last 50 years, human population has doubled in Africa, America and Europe. Asia's population growth has been even greater, and in the future Asia will play an increasingly important role as it becomes more industrialized.

In the year 2000, statistics show that more than 50% of the world's population will live in large cities, which: facilitates the flow of information, and world evangelism, but dramatically increases the vulnerability of society to natural catastrophes and war.