The chart below shows the results of a survey about what people of different age groups say makes them most happy. Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words. (nguồn ielts-exam.net).

These pie charts compare the observation reports on people of ages under and over 30, that what factors are responsible to make them happy. Overall, it clarifies that largest proportion of different ages of people feel happiness when they get achievement at their work and low percentage of people are comfortable by doing other factors. […]