Can Muslims avoid income tax living in Western countries?
بِسْمِ اللهِ الرَّحْمنِ الرَّحِيْم
In the name of Allah, the Most Gracious, the Most Merciful
When a person signs (becomes a citizen) and agrees to abide by the laws of a certain country, then it becomes binding that he/she should follow all the laws of that country that are not contrary to Islam.
You can read more details in the following article:
Only Allah knows best
Written by Maulana Shadman Ahmed
Checked and approved by Mufti Mohammed Tosir Miah
Darul Ifta Birmingham