Some observers deny the relation between the Hamas and the Muslim Brotherhood. However, the Charter states:
The Islamic Resistance Movement is one of the wings of Muslim Brotherhood in Palestine. Muslim Brotherhood Movement is a universal organization which constitutes the largest Islamic movement in modern times. It is characterised by its deep understanding, accurate comprehension and its complete embrace of all Islamic concepts of all aspects of life, culture, creed, politics, economics, education, society, justice and judgement, the spreading of Islam, education, art, information, science of the occult and conversion to Islam.