The advantages and disadvantages of cross-sectional studies should be carefully considered when determining which study type to pursue. Population growth also ensures diversity and appreciation of various orientations especially in the areas of culture and religion. It captures a wide spectrum of a country’s population data and characteristics. The ageing population also makes positive contributions to the community through their services. It is the most accurate count of a country’s population on which official planning can be based upon. Sampling is the process by which sample is collected from a group or population and on the basis of that sample analysis about that data is made. Many countries today, especially developing countries, have youthful populations with advantages and disadvantages on many different aspects of these societies, caused by this high percentage of a population under the age of 16 (young dependants). People will go back to the way they were when the world had fewer people. Although it benefits from a massive simultaneous collection effort of data points within a specific population, there are short-term incidents and recall bias issues that can affect results. The advantages of having a large population are an increase in a country’s wealth, more demands hence, causes a growth in economy as well as, rising of income per household. Advantages for growth in LEDC's Children are a valuable source of labour to make an income for famillies. Disadvantages of Population Growth. Advantages. Learn vocabulary, terms, and more with flashcards, games, and other study tools. In order to understand more about it, one should look at the advantages and disadvantages of sampling. According to the experts, high population growth could have numerous advantages for the entire world. Notwithstanding the numerous advantages of population growth, population growth if not properly checked, can be very disadvantageous. Start studying advantages and disadvantages of population pyramids and scatter graphs. The advantage of a low population is that most companies will have to shut down for lack of customers, and most production has to be abandoned for lack of workers. For example, Gary Becker, Nobel Prize winner, considers that on the whole population growth helps rather than hurts general welfare and income. Disadvantages ;- Burden on economy, More exploitation of natural resources, pollution, deforestation, More use of water … As the life expectancy has drastically increased in Australia, most of the baby boomers will retire while they are still physically and mentally healthier than preceding generations, and given appropriate incentives will be willing to work and contribute to tax revenue (Healy 2004). It has a wider coverage of a country’s population as well as other variables such as housing, income, sanitation etc. It was the first time in the year 1990 that the world witnessed a global decrease in the population growth. They are less costly and less time-consuming; they are advantageous when exposure data is expensive or hard to obtain. Children can help to care for younger children and elderly in the family As in LEDC's there is usually a high rate of infant mortality means that women need to have many Benefiting larger families, with more money to spend for example, travelling and ability to purchase more stuff. The World Population Day increases awareness among people about issues like rising population, pregnant women’s health, gender equality, population explosion, poverty, sexually transmitted diseases, and more concerns. advantages and disadvantages of a high population density are below Advantages :- More human population so more workers in different fields,More economy growth,More tax payers, More funds, More diversity ,More share of people for particular programs. Disadvantages. Advantages: They are efficient for rare diseases or diseases with a long latency period between exposure and disease manifestation.