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What change in demographics was observed in developed countries in the twenty-first century?
One major demographic change observed in developed countries in the twenty-first century is the aging population, with individuals living longer and birth rates declining. This shift has implications for healthcare systems, pension programs, and workforce composition. Additionally, there has been an increase in cultural diversity and migration patterns, contributing to changes in societal makeup and dynamics.
What else can I help you with?
Does a survey have variables?
Yes, a survey typically includes variables that are measured or observed, such as demographics, opinions, behaviors, or attitudes. These variables help researchers analyze and interpret the data collected from the survey.
What does statistical evidence mean?
Statistical evidence refers to data or information that has been gathered or analyzed using statistical methods. This evidence provides support for or against a particular hypothesis, theory, or claim through the use of statistical measures and tests to assess the likelihood of the observed results occurring by chance.
Do they celebrate Mother's Day in China?
Yes. I know lots of people are busy in writing some stories about their mothers this week on their blogs.
How can man culture and society be studied in isolation?
how culture observed?
To what extent can the demographic transition model help us to understand future population trends in MEDCs?
The Demographic Transition Model' Does the DTM still provide a 21st century framework for looking at demographical change in countries which are experiencing development? To what extent is the tool really useful or should we make it obsolete?The "Demographic Transition" is a model that describes population change over time. It is based on an interpretation begun in 1929 of the observed changes, or transitions, in birth and death rates in industrialized societies over the past two centuries.Figure 1The term "model" means that it is an idealized, composite picture of population change in these countries. The model is a generalization that applies to these countries as a group but may not accurately describe all individual cases. Whether or not it applies, or should be applied to less developed societies today remains to be disputed.The DTM ( demographic Transition model ) (F.1) was first observed in the two centuries preceding 1950 in what are today's developed countries. Prior to the transition, these developed countries experienced high death rates matched by high birth rates, resulting in a relatively stable population size over time. But then improving living standards and public health measures caused death rates to drop, followed by a gradual drop in birth rates, which by the 1970s once again matched death rates. Between the onset-of-mortality decline and the drop in birth rates, population surged in developed countries, actually quadrupling. But the original 4 stages are over, and most developed countries are now projected to experience population shrinkage in the future (stage 5 see f.1). This historical evidence has proved so far that countries that have experienced industrial change have gone through the stages of the transition model; these countries are mainly in Europe and North America.Figure 2After observing these changes in countries like Britain and Germany Demographers predicted that today's NIC's (newly industrialised countries) would undergo a similar transition. Indeed, in the period following World War II, mortality decline accelerated in these countries. As the demographic transition model would predict, that led to a surge in population growth (See F.2) Also as expected, the death rate decline was later followed by a compensatory drop in birth rates. However instead of taking two centuries for the process to complete itself as it did in the developed countries, it will happen in less than one century.There are many weaknesses of the DTM being used as a tool for predictions in demographic change. The model assumes that in time all countries pass through the same four/ five stages. It now seems unlikely, however, that many LEDCs, especially in Africa, will ever become industrialised.The model assumes that the fall in the death rate in Stage 2 was the consequence of industrialisation. Initially, the death rate in many British cities rose, due to the insanitary conditions which resulted from rapid urban growth, and it only began to fall after advances were made in medicine. The delayed fall in the death rate in many developing countries has been due mainly to their inability to afford medical facilities. In many countries, the fall in the birth rate in Stage 3 has been less rapid than the model suggests due to religious and/or political opposition to birth control, this is evident in countries like Brazil, whereas the fall was much more rapid, and came earlier, in China following the government-introduced 'one child' policy (F3).The timescale of the model, especially in several South-east Asian countries such as Hong Kong and Malaysia, is being squashed as they develop at a much faster rate than did the early industrialised countries, therefore making the time scale, and consequently the utility of the DTM obsolete.Figure 3Countries that grew as a consequence of emigration from Europe (USA, Canada, and Australia) did not pass through the early stages of the model which would also add to the idea that the DTM cannot be used as a general tool for all countries.Still another factor can skew the numbers in a demographic transition or render it meaningless, which is lethal disease. In some countries today, AIDS rages out of control, with more than 40 million people afflicted globally. In 2001 alone, an additional five million people were diagnosed with AIDS. In future other factors may enter the picture such as groundwater depletion and global water shortage. In Bangladesh today, due to arsenic poisoning of the ground water in thousands of rural tube wells, millions of villagers are falling sick and dying as this silent killer reaches epidemic proportions.In conclusion, the only way demographers could use the DTM would be in population projections or as a descriptive model. Population projections represent simply the playing out into the future of a set of assumptions about future fertility, mortality, and migration rates. It cannot be stated too strongly that such projections are not predictions, though they are misinterpreted as such frequently. A projection is a "what-if" exercise based on explicit assumptions that may or may not themselves be correct. If the assumptions represent believable future trends, then the projection's outputs may be plausible and useful. If the assumptions are unbelievable, then so is the projection.As the course of demographic trends is hard to anticipate very far into the future, demographers should calculate a set of alternative projections that, taken together, are expected to define a range of plausible futures, rather than to predict or forecast any single future from the model. Because demographic trends sometimes change in unexpected ways, it is important that all demographic projections be updated on a regular basis to incorporate new trends and newly developed data, and therefore should not rely on one model.
Which countries have observed supernovas?
There have been about 15 observed supernovas [See Link] from as far away as Australia China, Europe, America. As many are visible to the naked eye, I would say that all countries have observed them, whether or not they has been recorded.
When is Christmas celebrated or observed?
Christmas is usually observed on December 25, though some countries may observe it on other days.
What are the demographics for Refsum disease?
Refsum disease is an extremely rare disorder that affects males and females with equal frequency. It has been observed in Norwegian populations as well as others.
Who was the dutch scientist who observed microscopic life using the microscope that he developed?
The Dutch scientist who observed microscopic life using the microscope he developed was Antonie van Leeuwenhoek. He is often considered the "Father of Microbiology" for his groundbreaking studies on microorganisms.
What are the demographics of temporal arthritis?
The disorder is more commonly observed in persons older than 50 years. The disorder occurs more frequently in Caucasian persons of northern European descent.
What are the demographics of temporal arteritis?
The disorder is more commonly observed in persons older than 50 years. The disorder occurs more frequently in Caucasian persons of northern European descent.
Where is Halloween observed?
Halloween is observed in many countries throughout the world.Halloween is an american tradition but it is celebrated all around the world. The idea was american though.Halloween is celebrated in many communities, primarily those in the United States, Canada, Ireland, and the United Kingdom.
What James watt observed in the kitchen?
His mother's kettle boiling. However I have been told that this is a myth developed around the fame of the man.
What is the date for the long weekend in October?
The long weekend in October varies depending on the region and specific holidays observed. In many countries, such as the United States and Canada, the long weekend in October is typically observed for Thanksgiving. In other countries, such as Germany, it may be observed for Reformation Day. It is recommended to check the official calendar or consult local traditions for the specific date in your region.
Who in the 1670's was the first person to describe the cavorting beasties that he observed in pond water using a simple microscope he had just developed?
Leeuwenhoek
What is MayDay all about?
n.May 1, observed in the United States, Canada, and parts of Western Europe in celebration of the coming of spring.May 1, observed as a holiday especially in socialist countries in honor of labor and labor organizations.
When did Galileo discover the craters in the moon?
Galileo Galilei discovered the craters on the Moon in 1609, when he observed them through a telescope he had developed. This observation played a crucial role in supporting the heliocentric model of the solar system proposed by Copernicus.
