That's nonsense, by that token India is far richer than Switzerland. That's simply not how 'wealthiest nation' is used in the colloquial sense. For your meanin

That's nonsense, by that token India is far richer than Switzerland. That's simply not how 'wealthiest nation' is used in the colloquial sense. For your meaning other terms would be used, e.g. saying India has a larger economy than Switzerland, or a larger market.