What is population density?
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How population density affect your life?
Considering that over half of the Earth's land mass consists of areas inhospitable to human habitation, such as deserts and high mountains, and that population tends to cluster around seaports and fresh water sources, this number by itself does not give any meaningful measurement of human population density. The Optimum population for a region or country is a level of (human) population which is ecologically sustainable[citation needed]. It is less than the carrying capacity (the amount before a country would theoretically sink under the weight of its population), so the amount of resources available can support the country's population needs indefinitely, which maximizes the overall welfare (happiness, standard of living) of the population[1][not in citation given]. There are different views on the appropriate measure of welfare, and this is an area of political disagreement. If the population is below its optimum, it can increase with a net social benefit without damaging the natural resources needed for the population. If it is above the optimum, the negative effects of overcrowding (pollution, crime, social dysfunction, etc) and environmental damage reduces welfare or there are too few resources to maintain the population at its current level. Thus, simply using "population density" is not sufficient and a more valid (although not easy to establish) measurement would be "Optimum Population". I hope this is helpful.
What are the effects of under population?
Underpopulation Main article: Underpopulation In biology, a rarely occurring situation in which a group of individuals of a species appear in a new, inhabitable area suitable for more individuals, and begin to populate it. This may also happen if individuals of a species have been transferred to new areas on purpose or by accident. Ecological niches are usually populated, but evolution of a species may enable it to overcome the difficulties encountered in an initially hostile environment. Underpopulation Under-population occurs when there are far more resources in an area for example, food, energy and minerals than can be used by the number of people living there. Hence, the maximum potential of that area is not realized as the resources are not fully exploited and therefore a high standard of living is not attained. Countries like Canada and Australia can export the surplus of food, energy, and mineral resources, have high incomes, good living conditions and level of technology and immigration. It is probable that standards of living would rise through increased production and exploitation of resources if population were to increase. However, when making comparisons on a global scale, there does not seem to be any direct correlation between population density and over or under-population. North East Brazil for example is ‘over-populated’ with two people per square kilometer whereas California is ‘under-populated’ with over 500 people per square kilometer (this is therefore related to the number of resources). Similarly, population density is not necessarily related to the GDP per capita. The Netherlands and Germany for example, both have a high GDP per capita and a high population density whereas Canada and Australia have a high GDP per capita and a low population density. Bangladesh on the other end has low GDP per capita and a high population density etc… The balance of population and resources within a country may be uneven. For example, a country may have a population, which is too great for one resource such as energy, yet too small to use fully a second such as food supply. The relationship between population and resources are highly complex and the terms over and under-population must therefore be used with extreme care. Living Standards = resources Î technology
What are the effects of high and low population density?
good ones with high population: -there might be alot of economical stuff, wich could be good for countries. -more oportunities bad ones: -more problems related with security, global warming, water, natural resources -there wont be space to hold more people without hurting the earth -more exting species. good ones, low population: enough resources for everyone(considering that humans use to live near places with good resourses unified society. bad ones: Increased problems with locating mates Increased inbreeding personally i think that high population is increasing and humans will need another planet to life, because at the moment, we're making earth a bad place for living.
What are the causes of population density?
Lots of sex results in population density. Okay, but seriously, societies that don't use birth control, where young mothers (young as 11 in some societies) are just as acceptable as adult mothers, where people are encouraged to keep their women pregnant constantly, or where large families are the norm (this encourages developing households to set a goal for having lots of children). In some countries (I don't know about Bangladesh) it's strongly encouraged for a family to have at least one boy, so they won't stop having children until one of them is a boy, even if it results in 11 girls first. But also, in a lot of those societies there is a high mortality rate, so where population is dense, they must also have a decent healthcare system (maybe not by US standards, but maybe so). I don't know anything about Bangladesh, but I do know that the three things you need to research about the country are male/female roles in society, healthcare/mortality, and family planning methods used. What's there? What attracts people to live there?
Does population density effect standard of living?
Hmm. People do not do their research on here. Population density is known to be positively correlated with living standards. Health care standards, access to education, public services and food ALL improve with higher population densities because these things are easier and more cost effective to deliver to a concentrated population. This is why the world has moved quite rapidly over the last century from a largely rural base to a largely city base. Even on a regional basis you often find higher density places have better living standards. For instance, in Europe the Netherlands has one of the highest population densities and one of the most consistently high standards of living and life expectancy across the whole population. Sub Saharan Africa - on the other hand - with a low population density has dreadful life quality.
Population density problems?
Increased water use. This is made worse by the increase in housing and roadbuilding- less water soaks into the ground to get to the reservoirs and more runs over the surface, leading to flooding. Similarly, the sewage system has to cope with higher flows.
What are the reasons for the high population density in Northwest Europe?
In the 19th century, Western Europe experienced both industrialization, and also vastly improved sanitation. This lead to a massive decrease in mortality, particularly child mortality. At the same time, fertility rates remained high. As a result, the population boomed, and by the beginning of the 21st century, Europe contained roughly 25% of the world’s population. The lasting effects of this population boom are still felt today.
What is the effect of low population growth on economic growth?
There is certainly a correlation, but it’s not particularly strong.Economic growth, which usually means GDP growth, is a measure of the total economic activity in a country. If there are more people it stands to reason that there is more activity, more people making stuff and more people buying stuff. However, there is another important measure which is productivity that can increase because of improved efficiency, one person can produce more now than one person in the past. This is the result of investment and it is why Zimbabwe and the Lebanon can have high population growth but low economic growth.In a stable economy, like in the developed west, an increase in population should always result in an improvement in the economy. And low population growth a decrease.A note of caution though, a lower population usually means a higher GDP per capita, so if your measure of ‘economic growth’ is living standards a low population growth should increase it. This effect will be short lived once the population ages.
How can a low population affect a country's development?
A low population can really hinder a country’s development and growth in a few ways.A low population would usually correlate to a low birth rate, which would mean that there will be a shortage of workers keeping the country at a growing rate.A low population would also mean that something could be wrong with the country’s resources and has little to offer. Take Moldova as an example. A key reason why Moldova has a low birth rate is that a lot of Moldovans go abroad to study Uni or College and more and 80% of them stay at their foreign country. This results in a slump of people creating the next generation, and less workers.However a minor advantage to this would be that they should probably have enough resources to its low population. Take South Sudan or The Central African Republic, Chad, Niger, etc. who have an extremely high birth rate, therefore having not enough resources to feed everyone, therefore making people hungry, angry, and possibly fighting wars over resources.A low population can hinder a country from gaining world wide attention however they probably can survive and not have people starving as much.