Why is zakat a pillar of Islam?

Zakat is a pillar of Islam because Allah made it an obligation, the Prophet ﷺ named it as one of the five foundations of the religion, and the Quran pairs it with prayer again and again. Prayer connects you to Allah; zakat connects your wealth to the people around you. A Muslim's faith is meant to show in both.
The Prophet ﷺ listed it among the five
The Prophet ﷺ said that Islam is built on five things: bearing witness that there is no god but Allah and that Muhammad is His Messenger, establishing prayer, paying zakat, Hajj, and fasting in Ramadan (Sahih al-Bukhari 8). A pillar is what holds a building up. Without it, the structure is incomplete, which is why scholars agree that denying zakat is an obligation puts a person outside Islam, while someone who believes in it but fails to pay is sinful and must make it up.
The Quran pairs it with prayer
Zakat appears next to prayer dozens of times in the Quran. The message is clear: worship is not only between you and Allah, it also reaches your neighbour's table.
When the Prophet ﷺ sent Mu'adh to Yemen, he told him to teach people the testimony of faith, then the five prayers, then zakat, which is "taken from their rich and given back to their poor" (Sahih al-Bukhari 1395). Zakat came third in the order of teaching, right after belief and prayer.
What makes it different from ordinary charity
- It is fixed. Usually 2.5% of savings held for a lunar year above the nisab threshold.
- It has set recipients. The Quran names eight categories, such as the poor, the needy and people in debt. See Who can receive zakat?
- It is a right, not a favour. The poor have a share in the wealth of the rich, so giving it is paying what is owed.
Voluntary giving (sadaqah) is open-ended and can be any amount at any time. See What is the difference between zakat and sadaqah?
The wisdom behind it
Zakat keeps money moving instead of sitting in a few hands, protects the giver from greed, and builds trust in the community. It is also a form of worship: you give with the intention of obeying Allah, not to look generous. That is why it sits beside prayer and fasting rather than in a list of good manners.
For a new Muslim, zakat only becomes due once your savings reach the threshold and a full lunar year has passed. See Do I have to pay zakat as a new Muslim?
- Zakat is the third of the five pillars of Islam (Sahih al-Bukhari 8).
- The Quran repeatedly mentions it together with prayer.
- It is a fixed, yearly duty with set recipients, unlike voluntary sadaqah.
- It purifies the giver and supports the poor in the community.
People also ask
Can I give zakat to my in-laws or stepchildren?
Yes, you can usually give zakat to in-laws or stepchildren who are poor, since you aren't obliged to support them. Here's when it works.
Read the full answer →Can I pay zakat with a credit card?
Yes, you can pay zakat with a credit card if you clear the balance in full so no interest is charged. Tips on card fees, cashback and monthly giving.
Read the full answer →Can zakat be spent on dawah work?
Can zakat be spent on dawah? Classical schools read 'in the cause of Allah' narrowly, while many modern scholars include dawah. A balanced view.
Read the full answer →Do I pay zakat on gift cards?
Many scholars say yes, gift card balances count like cash for zakat. Prepaid Visa cards clearly do; expired cards and tiny balances don't matter.
Read the full answer →Can zakat pay for a poor person's funeral?
Most scholars say zakat can't pay a funeral directly, since the dead can't own it. Give zakat to the poor family, or use sadaqah instead.
Read the full answer →