* Spain has a high GDP per capita, which is a measure of the average wealth of its citizens.
* The country has a diversified economy, with a strong service sector and a growing industrial sector.
* Spain is a major tourist destination, which brings in a lot of foreign revenue.
Social Development
* Spain has a high standard of living, with good healthcare and education systems.
* The country has a long life expectancy and a low infant mortality rate.
* Spain is a relatively safe country, with low crime rates.
Political Development
* Spain is a stable democracy with a strong civil society.
* The country has a free press and a high level of political participation.
* Spain is a member of the European Union and the United Nations.
Infrastructure Development
* Spain has a well-developed infrastructure, with a good network of roads, railways and airports.
* The country has a strong telecommunications network and a high internet penetration rate.
* Spain has a reliable supply of electricity and water.
All of these factors contribute to Spain's status as an MEDC.