What is Population?

Population denotes the total number of children, youth, adult and old people residing in a particular place within  specified time. In other words, population is total number of people residing in a particular area in a specific time. The group of people are attached with their own racial, social and cultural values and norms.

Situation of World Population Today...

Except few developed countries most of the other countries in the world are facing the problem of high population growth.World population is growing fast and it has exceeded the limit that the resources of earth can bear.

           

	Population (2006 A.D) (in billion)	Birth (Per Thousand)	Infant Mortality	Total Fertility
World	6.555	21	52	2.7
Asia	3.968	20	49	2.4
Africa	0.924	38	84	5.1
S. America	0.566	21	26	2.5
Europe	0.732	10	7	1.4
Oceania	0.34	17	27	2.1
N. America	0.332	14	7	2.0

                                                            Source: World Population Data Sheet 2006

Trend of Population Increment......

Human beings are supposed to have evolved 3 million years ago. At the time of beginning of agricultural era, the size of population was 250 million. In 1850 it reached 1 billion. Since then the rate of population growth is alarming. Similarly it reached 2 billion in 1980 and 4 billion in 1975. It rose up to 5 billion in July 11, 1987. Therefore July 11 is celebrated as "World Population Day". In October 12 of 1999, world population reached 6 billion and this day is celebrated as "The Day of Six Billion". By 2011 world population will reach 7 billion. Now the world population is gaining 3 persons per second and 810 million per year.

Year	Population Size (in billion)
1 A.D	¼ (250 million)
1830 (roughly)	1
1930	2
1960	3
1975	4
1987	5
1999	6
2010	7 (projected)