The correct answer is: d) All of the above.
The education component of the Human Development Index (HDI) is a composite statistic of education attainment in a country. It is calculated by taking the mean of the following three indicators:
- Adult literacy rate, which is the percentage of people aged 15 and above who can read and write.
- Mean years of schooling, which is the average number of years of schooling completed by people aged 25 and above.
- Expected years of schooling, which is the average number of years of schooling that a child of school age can expect to complete.
The education component of the HDI is important because it measures the level of human capital in a country. Human capital is the knowledge, skills, and experience that people have acquired through education and training. It is a key factor in economic growth and development.
A high level of education attainment is associated with a number of benefits, including:
- Higher incomes
- Better health
- Lower crime rates
- Stronger democratic institutions
- More sustainable development
The education component of the HDI is a useful tool for tracking progress in education and for identifying areas where there is need for improvement. It can also be used to compare the performance of different countries in terms of education.