The maps show the change of Pentland from 1980 to 2007. Summarize the information by selecting and reporting the main features, and make comparisons where relevant

In every country, it is noticeable that the population varies from youth to older generation. Nowadays, in several countries, we can see that there is a condition that older people take more proportions, and this might be a problem for the government in the future. While people say the proportion between youth and older should […]