NATO, Mr Solana makes sure that nobody forgets him in the close-knit, inward-looking world of Spanish Socialist politics.
If the world's only superpower turns inward or is unable to display leadership worthy of its status, that could have a negative effect on the world.
In the developing world, only China has received more inward investment than the Mexican border region.
Americans might prefer to regard their country as an inward-looking place that periodically got dragged into the world's affairs through no fault of its own.
During his papacy, Benedict in many ways defined the church in opposition to the secular world, seeking to strengthen its identity by focusing inward on its fundamental teachings and rituals.
The broader worry, however, is that these numbers reflect an inward bent even among the most promising young as Japan retreats from world economic leadership.
Hitting back at Lord Lawson and former Defence Secretary Michael Portillo, who has also come out in favour of leaving the EU, he said inward investment depended on the UK remaining in the "largest trading bloc in the world".
As a result Britain was soon absorbing more than 50% of all inward investment in Europe, the British economy rose from the sixth to the fourth largest in the world, and its production per capita, having been half that of Germany's in the 1970s, became, by the early years of the 21st century, one-third higher.
Seen originally as a huge inward investment project, it was built with foreign money and government funds in the hope of creating a world-standard private hospital to be used by wealthy foreigners.
While this administration seems determined to focus inward on getting America's economic and fiscal house in order, I doubt events in the rest of the world will be so accommodating.
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