Mageragere is a sector (umurenge) in the Nyarugenge District of Kigali Province, Rwanda It is located in the west part of the city of Kigali.

According to the 2022 census, Mageragere had a total population of 59,747 inhabitants, 34,038 of which were male and 25,709 of which were female.

[1] The Rwanda Environment Management Authority hypothesized that the high male-to-female ratio was due to a tendency for men to migrate to the city in search of work outside the agricultural sector, while their wives remained in a rural home.

[1] Nyarugenge district is divided into 10 sectors (imirenge): Gitega, Kanyinya, Kigali, Kimisagara, Mageragere, Muhima, Nyakabanda, Nyamirambo, Nyarugenge and Rwezamenyo.

[3] The municipality includes the settlement of Butamwa and is divided into the following subdivisions: Kankuba, Kavumu, Ntungama, Runzenze, Nyarurenzi, Mataba, and Nyarufunzo.