Population estimates cannot be considered accurate to more than two decimal digits; for example, the world population for the year 2012 was estimated at 7.02, 7.06 and 7.08 billion by the United States Census Bureau, the Population Reference Bureau and the United Nations Department of Economic and Social Affairs, respectively, corresponding to a spread of estimates of the order of 0.8%.
The world population has grown tremendously over the past 2,000 years. In 1999, the world population passed the six-billion mark. By February 2020, the official world population had jumped over the seven-billion mark to an estimated 7.76 billion, according to Worldometers, a world statics website operated by an international team of developers, researchers, and volunteers.
Population explosion causes poverty starvation, ill-health, and illiteracy. Whatever we achieve by means of economic development is swallowed up by the ever-increasing population. As the density of the population in a given area increases, each person’s share of the available supplies of land, water, fuel, etc decreases. At present, the world population is about 500 crore and about 8 crore.
World Population: History, Explosion and World Population Trends! History: It is held that in the initial phase of human history and pre-history, the human population grew at a snail’s pace. The hazardous climatic conditions, the migratory character of early nomadic groups and the poor nourishment were all unfavourable for the growth of population. Until modem times, there were relatively.
From 1950 to current year: elaboration of data by United Nations, Department of Economic and Social Affairs, Population Division. World Population Prospects: The 2019 Revision. (Medium-fertility variant).Learn More
POPULATION EXPLOSION AND SOCIAL PROBLEMS:. The world population is currently growing by approximately 74 million people per year. Current United Nations predictions estimate that the world population will reach 9.0 billion around 2050, assuming a decrease in average fertility rate from 2.5 down to 2.0. Almost all growth will take place in the less developed regions, where today’s 5.3.Learn More
In the 1800 th the world population was 1 billion (Mittal and Mittal, 2013), and after 2 centuries later, the global population is 7.6 billion, which is expected to reach 8.6 billion in 2030 (UN.Learn More
The Population Explosion —How Much of a Threat? WHAT has caused a population explosion in this latter part of the 20th century? It is due in part to a worldwide decline in the death rate as a result of improved medical care and economic and social conditions. Consequently, fewer babies are dying and more people are living longer. Particularly in the less developed nations, despite the.Learn More
Along with this the decreasing death rate is also one of the reasons for population explosion. India’s population has already crossed the billion marks. Thus, the country having only on 2. 4 per cent of globe’s area has come to hold 16 per cent of globe’s human beings. Its current annual increase at 16 million is the highest in the world.Learn More
If the world population, which is expected to be eight billion by 2025, continues to be so high, “forty eight countries containing three billion people will face water shortages” (Hinrichsen). We do have the technology to desalinate ocean water, but this process is several times the costs as getting fresh water. Areas suffering from shortages of water can increase their share of water by.Learn More
The United Nations estimates that the world population will reach 9.2 billion by 2050. For most of our existence the human population has grown very slowly, kept in check by disease, climate fluctuations and other social factors. It took until 1804 for us to reach 1 billion people. Since then, continuing improvements in nutrition, medicine and technology have seen our population increase.Learn More
Population Explosion INTRODUCTION: Population explosion refers to the rapid and dramatic rise in world population that has occurred over the last few hundred years. Over-population is defined as the condition of having more people than can live on the earth in comfort, happiness and health and still leave the world a fit place for future generations. But some people now believe that the.Learn More
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Overpopulation occurs when a species' population exceeds the carrying capacity of its ecological niche.It can result from an increase in births (fertility rate), a decline in the mortality rate, an increase in immigration, or an unsustainable biome and depletion of resources. When overpopulation occurs, individuals limit available resources to survive.Learn More
POPULATION EXPLOSION INTRODUCTION: Population explosion is condition where an organisms numbers exceeds carrying capacity of its habitat.It is a curse and is damaging to the development of the country and its society.The developing countries already facing lack in their resourses,and with the rapidly increasing population,the resourses available per person ,further leading to increased poverty.Learn More
COVID-19 Resources. Reliable information about the coronavirus (COVID-19) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this WorldCat.org search.OCLC’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.Learn More