Kader, of Arabic origin, is a unisex given name that means "capable" or "competent". It is composed of the Arabic root verb 'q-d-r', which signifies "to have power over", "to be capable", or "to be able". The name Kader has been used in various forms across different cultures and languages, including Qadar, Kadar, and Khaider. Traditionally, it has been more prevalent among Muslims, but it has also gained popularity among other communities due to its positive connotation. The name Kader does not have any specific associated month or day for celebration, as it is not based on saints' days or religious holidays. Instead, individuals named Kader may celebrate their birthdays or choose a personal name day that resonates with them.
The name Kader experienced a resurgence in popularity from 2018 onwards, with the highest number of births occurring each year since then.