Causes of population increase include quality health care, increased food production, immigration, fight against poverty and lack of family planning. High population increase has negative impacts to the country, including conflicts, environmental degradation, high cost of living and reduction in natural resources. One benefit associated with an increase in population is the growth of human workforce.Know More
Improved health care has reduced mortality rates by diagnosing health problems in a timely manner. Use of vaccines has helped to prevent illnesses that used to kill many people in the past. As a result, this has helped save the lives of many people.
Introduction of better farming techniques has boosted the production of food. Also, efforts toward food security have been successful in many countries. Areas where people die as a result of drought and famine get enough food supply thus saving lives.
Increase in the fight against poverty has also contributed to population increase. In the past, only a few families had enough money to support themselves while many families faced many problems, including health issues as a result of poverty. Today, the fight against poverty has helped in a number of ways.
Immigration has also contributed in population growth in developed countries and urban centers. Many people immigrate to other countries in search for better living standards. This has led to an increase of population in many developed countries.
Poor family planning in many families is one of the major contributors to population growth. Many families tend to have many children more than they can support.Learn more about Population & Demography
Populations grow exponentially when they can maintain a constant growth rate percentage and can leverage the steady increase in population. Exponential growth of various species have been seen throughout Earth's history.Full Answer >
The finite population correction (FPC) factor is used to adjust the standard error of a sample mean when sampling is done without replacement and the sample size is at least 5 percent of the population. The FPC factor always has a value of less than one.Full Answer >
As of 2014, Kuwait is the fattest country in the world, as an estimated 42.8 percent of the country's population is classified as obese. Fast food has become increasingly popular in Kuwait, becoming prevalent in the country during the first Gulf War and contributing to the country's high obesity rate.Full Answer >
Disruptive selection is a type of natural selection that shows a preference toward the reproduction of genetic material at the extremes within a population, explains About.com. Disruptive selection pushes out those in a species with genes from the average of the population by selecting the extremes.Full Answer >