Some key indicators of Spain's development include:
* Life expectancy: The average life expectancy in Spain is 83.5 years, which is higher than the world average of 72.6 years.
* Education: Spain has a high literacy rate of 99.8%, and the average number of years of schooling is 15.5 years.
* Per capita income: Spain's GDP per capita is $38,000, which is higher than the world average of $12,000.
Spain is also a member of the European Union (EU), which has contributed to its economic development. The EU provides Spain with access to a large market for its goods and services, as well as financial assistance and support for research and development.
However, Spain also faces some challenges to its development. These include an aging population, a high unemployment rate, and a large public debt.
Overall, Spain is a developed country with a high standard of living. It is a member of the EU and is working to address the challenges it faces to ensure its continued development.