You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "who pays the most income tax in europe?" whose answer is Portugal.
Each document should contain about 30 words, and these documents should contain useful information.

Query: top countries with highest income tax in europe
Useful Output:

Doc 1: European countries with highest & lowest top rate of income tax. Highest: Denmark ; Lowest: Bulgaria & Romania. Highest statutory income tax
Doc 2: Denmark (55.9 percent), France (55.4 percent), and Austria (55 percent) have the highest top personal income tax rates in Europe in 2024.
Doc 3: Ranked: Countries by their Highest Personal Income Tax Rate ; 1, Denmark, DNK ; 2, Finland, FIN ; 3, Luxembourg, LUX ; 4, Austria, AUT
Doc 4: In this post, I'll walk you through some countries in Europe with the lowest income tax, and give you some personal perspectives on each.
Doc 5: The average top statutory personal income tax rate is 42.8%. Denmark (55.9%), France (55.4%), and Austria (55%) have the highest rates.