I often read that the United States is the richest country in the world, and that's it. But the reality is a bit more nuanced than that. Sure, they have the largest economy in absolute terms, but if you look at GDP per capita—that is, the average wealth per person—the picture changes completely.

Countries like Luxembourg, Singapore, Ireland, and Qatar easily surpass them. And that's no small feat. These smaller states have figured out how to build efficient and stable economies, with solid financial sectors and governments that create business-friendly environments. That’s why the richest country in the world by GDP per capita is Luxembourg, with nearly $155,000 per person, while the United States is around $90,000.

But how do they reach these numbers? Some countries, like Qatar and Norway, have been fortunate with natural resources—mainly oil and gas. Others, like Switzerland, Singapore, and Luxembourg itself, have built their wealth through sophisticated financial and banking services. That’s an important difference.

Let's talk about what GDP per capita really means. It’s simply a country’s total income divided by the number of inhabitants. Theoretically, the higher it is, the better off the people are. But there’s a caveat: it says nothing about wealth distribution. A country could have a very high GDP per capita but enormous inequalities. The United States is a perfect example of this.

Look at the current ranking. In first place is Luxembourg with $154,910 per capita. Then Singapore with $153,610. Macao SAR comes third with $140,250. Ireland is fourth at $131,550. Qatar is fifth with $118,760. Norway is sixth at $106,540. Switzerland is seventh with $98,140. Brunei Darussalam is eighth at $95,040. Guyana is ninth with $91,380. And finally, the United States ranks tenth with $89,680.

Luxembourg is interesting. It was a rural economy until the 1800s, then it bet everything on finance and banking. Its reputation for financial discretion made it attractive for those wanting to protect their assets. Today, the country with the highest GDP per capita combines financial services, tourism, and logistics, with one of the most generous welfare systems among OECD countries.

Singapore is another fascinating story. From a developing country to an advanced economy in just a few decades. Small, but perfectly organized. Low taxes, stable government, virtually zero corruption, the second-largest container port in the world after Shanghai. The workforce is highly skilled, and the environment is very business-friendly.

Macao is dominated by gaming and tourism. Millions of visitors each year, concentrated wealth. It has one of the best welfare systems in the world and was the first in China to introduce 15 years of free education.

Ireland is a case of economic transformation. It was protectionist in the 1930s, then stagnated in the 1950s while the rest of Europe grew. When it opened up its economy and joined the EU, everything changed. Today, it attracts foreign investment with low corporate taxes and a business-friendly approach. Pharmaceuticals, software, medical equipment—these are the pillars of its economy.

Qatar has turned its enormous natural gas reserves into wealth. In recent years, it has diversified by investing in tourism, education, health, and technology. Hosting the 2022 World Cup boosted its global profile.

Norway was the poorest country in Scandinavia until it discovered oil in the 20th century. Today, it has one of the highest standards of living and the most efficient social security systems. Although, the cost of living is very high.

Switzerland is famous for luxury and precision. Watches from brands like Rolex and Omega, but also multinationals like Nestlé and ABB. It has ranked first in the Global Innovation Index since 2015. It spends over 20% of its GDP on welfare.

Brunei relies heavily on oil and gas—90% of government revenue comes from there. It is trying to diversify with Halal branding, tourism, and agriculture.

Guyana has experienced explosive growth in recent years. In 2015, it discovered vast offshore oil fields. This attracted massive foreign investment, although the government is trying not to depend solely on this sector.

The United States remains the largest economy in absolute GDP terms, but the GDP per capita tells a different story. They have the two biggest stock exchanges in the world, Wall Street, major global financial institutions, and the dollar as a reserve currency. They invest 3.4% of GDP in research and development. But they also have one of the highest income inequalities among developed countries and a national debt that has surpassed $36 trillion.

The irony is that the richest country in the world by GDP per capita—the Luxembourg—is also one of the smallest. It shows that size is not synonymous with wealth per capita. What matters more is how you organize your resources, which sectors you develop, and how well you manage your economy.