NAIROBI COUNTY
Introduction
Nairobi County is the capital and largest city in Kenya with a total population of 4,828,000 in 2024[1]. It covers 703.9 square kilometers and has a population density of 6,859 people per square kilometer. Nairobi is bordered to the North by Kiambu County, to the South by Kajiado County, and to the East by Machakos County.
Nairobi has 11 sub counties: Dagoretti, Embakasi, Kamukunji, Kasarani, Kibra, Lang’ata, Makadara, Mathare, Njiru, Starehe, and Westlands.
Nairobi County has the largest economy in the country at 3,379.4 billion, representing 27.5% of the average county Gross Value Added (GVA) between 2018 and 2022[2]. It is followed by Kiambu (Ksh. 721.2 billion), Nakuru (Ksh. 600.5 billion), and Mombasa (Ksh. 564.1billion).
Between 2018 and 2022, Nairobi County contributed on average 36.9% of Gross Value Added (GVA) to manufacturing activities, 37.3% to services, and 0.2% to agriculture, forestry, and fishing activities. Nairobi has the highest GCP per Capita of Ksh. 723,335 followed by Mombasa (Ksh. 439,390), Nyeri (Ksh. 293,944), and Embu (Ksh. 292,827).
According to the 2021 Kenya Continuous Household Survey, Nairobi had an overall headcount poverty rate of 16.5% corresponding to 759,000 people living in poverty. It also had a hardcore poverty rate of 0.1%, and a food poverty rate of 14.8%. On average, Nairobians spent Ksh. 17,160 per adult equivalent on consumption, and a median consumption expenditure of Ksh. 10,925. The share of expenditure spent on food in Nairobi is 35.9% with 64.1% spent on non-food items[3].
Demographics
According to the Kenya Population and Housing Census, Nairobi City had 2,192,452 men, 2,204,376 women, and 245 intersex people in 2019. The total number of households was 1,506,888, for an average household size of 2.9 people[4].
Population by subcounty
Subcounty |
Male |
Female |
Intersex |
Total |
Dagoretti |
217,651 |
216,526 |
31 |
434,208 |
Embakasi |
492,476 |
496,270 |
62 |
988,808 |
Kamukunji |
136,670 |
131,599 |
7 |
268,276 |
Kasarani |
381,234 |
399,385 |
37 |
780,656 |
Kibra |
94,199 |
91,569 |
9 |
185,777 |
Lang’ata |
96,698 |
100,774 |
17 |
197,489 |
Makadara |
96,369 |
93,157 |
10 |
189,536 |
Mathare |
106,522 |
100,028 |
14 |
206,564 |
Njiru |
307,642 |
318,809 |
31 |
626,482 |
Starehe |
109,173 |
101,238 |
12 |
210,423 |
Westlands |
153,818 |
155,021 |
15 |
308,854 |
Total |
2,192,452 |
2,204,376 |
245 |
4,397,073 |
Marriage
The distribution of women aged 12 and above who are never married in Nairobi County was 43.5% in 2019. Those married monogamously was 47.2% while 0.8% were married polygamously. The widowed population is 2.7%, 1.6% is divorced, and 4.1% is separated. Among men, 41.9% are never married, 53.9% are married monogamously, 1.5% polygamously, 0.5% widowed, 0.6% divorced, and 1.5% separated[5].
Total Fertility Rate
Nairobi City has a Total Fertility Rate (TFR) of 2.5, a drop from 3.0 in 2009. Nairobi’s youth comprising individuals between the age of 15 and 24 years have a TFR of 0.7. It has a Crude Birth Rate of 29 births per 1000 people, down from 36 births in 2009[6].
Religion
In 2019, Nairobi had 1,041,619 people who identified as being Catholic, 1,358,985 Protestants, 897,741 members of evangelical churches, 307,019 members of African Instituted Churches (AIC), 23,160 Orthodox, 326,809 Muslims, 38,141 Hindu, 7,029 Traditionists, 54,841 Atheists and non-religious, 225,003 identifying with other Christian denominations, and 46,401with other religions.
Disabilities
A total of 42,703 people in Nairobi have a disability comprising of 19,374 males and 23,322 females. Those with a visual disability total 18,790, hearing 5,343, mobility 14,551, cognition 6,712, self-care 5,500, and communication 5,450. Total number of people with albinism in Nairobi is 525, consisting of 257 males and 268 females[7].
The total number of street persons or the homeless in Nairobi was 6,743 consisting of 6,064 males and 679 females in 2019.
Development
Nairobi had a mobile ownership of 69.1% in 2019, with 70.1% of men and 68.2% of women owning mobile phones. The Kenya Demographic and Health Survey recorded 93.3% of respondents in Nairobi owned mobile phones with 76.6% owning smartphones in 2022.
Mobile phone ownership in Nairobi |
69.1% |
2019 Census[8] |
93.3% |
2022 KDHS[9] |
|
Nairobians making mobile money transactions |
93% |
2022 KDHS |
Nairobians with mobile money accounts |
93.9% |
2022 FinAccess Survey[10] |
Population using internet in Nairobi |
52.4% |
2019 Census |
Ever searched and bought goods online |
14% |
2019 Census |
Population using computer/laptop/tablet |
28% |
2019 Census |
Nairobians using a bank |
44.6% |
2022 FinAccess Survey |
54.9% |
2022 KDHS |
Education in Nairobi
According to the 2019 census, 84.3% of Nairobi residents have completed primary school education or higher.
ECDE education in Nairobi
The school going population aged 3-5 in Nairobi totaled 285,051 pupils comprising of 142,964 boys and 142,087 girls. Nairobi, therefore, had a Gross Enrolment Rate of 92.8% at the ECDE level with boys having a GER of 93.2% and girls 92.4%. On the other hand, the Net Enrolment Rate (NER) at the ECDE level in Nairobi was 69.2% with boys having a NER of 68.3% and girls 70.1%. The gender parity index was 0.99 in the Gross Enrolment Rate and 1.03 in the Net Enrolment Rate.
The rate of pupils participating in organized learning in Nairobi, measured as a percentage of pupils in school a year before primary school or those who were age 5, was 87.2%, with participation rates among males being 87.2% while that of females being 87.6%. Nairobi had an out-of-school rate of 27.1% at the ECDE level, reflecting the percentage of children aged 3-5 who did not attend school. Boys had a higher out-of-school rate of 28.0% compared to girls 26.1%.
Primary school education in Nairobi
According to the 2019 census, the total number of pupils enrolled in primary school in Nairobi was 651,784 consisting of 331,329 girls and 320,455 boys. However, this represents a 36.5% variation when compared with the Ministry of Education Records in the same year which recorded a total of 414,045 pupils, of whom 205,640 were male and 208,405 were female.
The total number of enrolled primary school pupils aged 6-13 in Nairobi was 647,031 of whom 318,720 were male and 328,311 were female yielding a total Gross Enrolment Rate of 100.7%. The female GER was 100.9% while that of males was 100.5%. On the other hand, the Net Enrolment Rate of school going Nairobi pupils was 86.1% consisting of a NER of 85.4% among males and 86.8% among females. The gender parity index in the GER and NER at the primary school level in Nairobi was 1.00 and 1.02 respectively[11].
The overall-gross intake ratio representing the percentage of primary school pupils entering the lass grade of primary school at the age of 13 was 107% representing a total number of 75,376 pupils. Females had a gross intake ratio of 108.1% and males 106.0%[12].
Nairobi had an out of school rate of 1.8% in primary school representing the number of children aged 6-13 who were not in school. The out of school rate in females and males was 1.8%. The percentage of over-age pupils in primary schools in Nairobi was 24.1 reflecting 26.6% of males and 21.7% females[13]. Nairobi had a primary school dropout rate of 5.9% with girls (6.4%) having a higher dropout rate than boys (5.4%)[14].
The rate of scholastic retardation in Nairobi is 13.7% representing the percentage of pupils enrolled in specific grade levels despite being older than the official age category for that specific grade. Scholastic retardation was 14.2% in males and 13.2% in females. On the other hand, Nairobi had a scholastic progression rate 0f 79.5% representing the mobility of students from one grade to another. Males had a scholastic progression rate of 78.3% and females 80.5%.
According to the Basic Education Statistical Booklet, Nairobi had a primary to secondary transition rate of 90.2%. Girls had a transition rate of 90.1% and boys 90.4%[15].
Secondary school education in Nairobi
According to the 2019 census, the total number of enrolled secondary school students in Nairobi was 283,506 students consisting of 135,432 males and 148,074 females. This represents a variation of 64.8% compared to official Ministry of Education records from the same year who recorded a total number of 99,746 secondary school students of whom 51,288 were male and 48,458 were female.
The total number of students aged 14-17 enrolled in Nairobi was 268,373 representing a total Gross Enrolment Rate of 105.6% and a total Net Enrolment Rate of 64.2%. The GER was 108% in males and 103% in females. On the other hand, the NER was 62.3% in males and 65.9% in females. The gender parity index in both the GER and NER was 0.96 and 1.06 respectively.
The total gross enrolment ratio to the last grade in secondary education of Nairobi was 141.9% representing 69,153 students aged 17 moving into form 4. The gross intake ratio was 151.4% in males and 133.7% in females. The gender parity index in the gross-intake ratio at this level was 0.88. The secondary education completion rate in Nairobi was 46.1% representing the share of students who delayed completing secondary school by 3-5 years above the official secondary school completion age of 17 years.
The out of school rate in Nairobi was 3.8% representing students aged 14-17 who were out of school. The out of school rate for males and females in Nairobi was 3.1% and 4.4% respectively. The percentage of over age secondary school students in Nairobi was 39.3% representing students who were older for their grade. Among males, the percentage of over age pupils in Nairobi was 43.9% while in females it was 35.1%.
In secondary school, Nairobi had a dropout rate of 6.1%, with girls having a higher dropout rate of 6.9% than men at 5.4%[16].
School infrastructure in Nairobi
According to the third edition of the Kenya County Factsheets, Nairobi had 988 ECDE centers of which 768 were private and 220 were public. The total number of primary schools was 1,105 with 907 being private and 198 public. The number of public secondary schools in Nairobi was 103 while private schools were 283 for a total of 386 secondary schools.
ECDE school infrastructure
According to the 2020 Basic Education Statistical Booklet, the learner to teacher ratio at the pre-primary level in Nairobi schools was 24. Private schools had a learner to teacher ratio of 21 while public schools had a learner to teacher ratio of 37. The learner to classroom ratio was 52 in public ECDEs and 30 in private ECDEs.
The pupil to toilet ratio in public pre-primary schools in Nairobi was 33 for boys and 27 for girls. In private schools, the pupil to toilet ratio in pre-primary schools in Nairobi was 18 for boys and 16 for girls.
The percentage of pre-primary schools in Nairobi with functional internet was 15.1 in public schools and 58.7 in private schools.
Primary school infrastructure
Nairobi has an average school size of 1,155 students in public schools and 225 students in private schools. The pupil to teacher ratio in Nairobi is 61 in public primary schools and 13 in private primary schools. The pupil to classroom ratio is 55 in public primary schools in the city and 12 private primary schools[17].
The pupil to toilet ratio in public schools in Nairobi is 47 for boys and 38 for girls. In private primary schools, the pupil to toilet ratio is 22 for boys and 19 for girls.
Secondary school infrastructure
The average secondary school size in Nairobi is 759 students in public schools and 147 students in private schools. The student to teacher ratio in secondary schools in Nairobi was 29 in public schools and 14 in private schools. The student to classroom ratio was 47 in public secondary schools in Nairobi and 21 in private schools.
The student to toilet ratio in secondary schools in Nairobi was 30 for boys in public schools and 22 for girls. In private schools, the ratio was 15 in boys and 13 in girls.
Adult and Continuing Education Centers (ACE)
Nairobi had 252 adult and continuing education centers with 6,422 enrolled men and 8,203 enrolled women.
Academic performance
According to the NASMLA class seven results, Nairobi had a mathematics mean score of 580.1 against a national average of 496.1[18]. In English, Nairobi had a mean score of 639.2 against a national average of 501.5. In Kiswahili, Nairobi had a mean score of 580.6 compared to a national average of 500.1. Nairobi’s mean score in science was 610.7 while the national average was 501.9.
The NASMLA measures student performance by assessing competence levels across several levels in mathematics, English, Kiswahili, and science.
Level 1 |
Level 2 |
Level 3 |
Level 4 |
Level 5 |
Level 6 |
|
Mathematics |
86.3% |
82% |
54.7% |
37.4% |
18.7% |
5.8% |
English |
92.1% |
83.5% |
96.4% |
81.3% |
89.2% |
70.5% |
Kiswahili |
66.2% |
75.9% |
79.7% |
50.4% |
88% |
75.3% |
Science |
68.6% |
84.3% |
85.7% |
69.3% |
77.1% |
75.0 |
Healthcare in Nairobi County
Nairobi has a total of 1,115 hospitals of which 4 are public level five or six hospitals while 3 are private level five or six hospitals. The total number of level four hospitals is 97, of which 8 are public and 89 are private. The county also has 196 private level three hospitals and 44 that are public. There are 771 level two hospitals in Nairobi, with 87 being public and 684 that are private.
Health infrastructure and insurance coverage
Nairobi has a bed density of 14 people per 10,000 population and 26 health workers per 10,000 population[19]. Health insurance coverage in the county is 46.3%, with 40.5% of the population covered by the National Health Insurance Fund (NHIF) and 11.7% covered by private or commercial insurance plans[20].
The average out-of-pocket expenditure on outpatient and inpatient services in Nairobi was Ksh. 2,679 and 1,129 respectively in 2019.
Health Outcomes
Indicator |
2014[21] |
2019[22] |
2022[23] |
Infant mortality rate (per 1,000) |
55 |
36 |
40 |
Under-5 mortality rate (per 1,000) |
72 |
58 |
44 |
Neonatal mortality rate (per 1000) |
39 |
20 |
|
Post-neonatal mortality rate (per 1,000) |
16 |
20 |
|
Child mortality rate (per 1,000) |
17 |
4 |
|
Still birth rate (per 1,000) |
5 |
6 |
|
Perinatal mortality rate (per 1,000) |
25 |
14 |
|
Maternal mortality rate (per 100,000) |
326 |
Life expectancy
The life expectancy at birth in Nairobi is 62.6 years for males and 65.2 years for females. At 60 years, the life expectancy for males is 16.6 years and 17.5 years for females. The life expectancy at age 70 is 10.3 for males and 10.8 for females. As of 2019, Nairobi had 102,086 people who were 60+ years and 31,735 who are 70+ years. 2.5% of those 60 years and above are male and 2.2% are female. Among individuals 70 years and above, 0.7% are male and 0.8% are female.
Adult and old age mortality rates
The adult mortality rate in Nairobi, expressed as a probability of dying between the age of 15 and 60 years is 0.266 among males and 0.23 among females. The old age mortality rate expressed as the probability of death between age 20 and 60 was 0.633 for males and 0.594 for females. The crude death rate in the county estimated from recent household deaths was 9.2 per 1,000 people.
Place of occurrence and death registration
Proportion of deaths occurring in health facilities in Nairobi between 2018 and 2019 was 72.6% with 26.8% occurring in a non-health facility. The proportion of notified deaths in the same period was 90.8%.
Prevalence of HIV
In 2017, the overall prevalence of HIV in Nairobi among adults aged 15-49 was 6.1% with 182,856 people living with HIV. The HIV prevalence was 4.7% among males and 7.5% in females. The county recorded a HIV incidence of 2.2 per 1,000 people and a total of 2,232 HIV related deaths.
Among children between age 0-14, 8,137 were living with HIV with the county recording 660 new infections and 380 HIV-related deaths in 2017. Among adolescents aged 10-19, those living with HIV were 10,604, with 1,222 new cases and 155 HIV-related deaths. Among young adults aged 15-24, those living with HIV were 24,918, with 2,587 new cases in that age-group and 294 HIV-related deaths. The cumulative number of people living with HIV both adults and children was, therefore, 190,993 people. The total number of HIV related deaths was 2,612 with 7,159 new cases[24].
In 2021, the total number of people living with HIV in Nairobi was 153,818 with 3,828 new infections in that year. The total number of people who died of AIDS in the county was 1,300[25].
Antiretroviral Coverage (ART) in Nairobi was 77% in 2017 compared to a national average of 75%. The total number of adults on ART in that year was 140,724. ART uptake in children was 94% compared to a national average of 82%. The total number of children on ART was 7,611. The Prevention of Mother to Child Transmission (PMTCT) coverage in Nairobi was 90% compared to a national average of 76%. The need for PMTCT among pregnant women in Nairobi was 7,809 with 7,056 women covered. The Mother to Child Transmission Rate (MTCT) in Nairobi was 8.5% against a national average of 11.5%[26].
Among women aged 15-49 living in Nairobi, 90% said they have ever been tested for HIV compared to 89% among men.
Nairobi County Finance
Nairobi County had an approved supplementary budget of Ksh. 39.6 billion in the 2022/23 financial year. The budget comprised Ksh. 30.37 billion (76.7%) for recurrent expenditure and Ksh. 9.24 billion for development. This was a marginal decrease of 0.1% from the last financial year which had an approved budget of Ksh. 39.63 billion. On recurrent expenditure, Nairobi County spent Ksh. 12,186,281,786 on personnel emoluments and Ksh. 16,441,644,954 on operations and maintenance. Expenditure on development was Ksh. 4,610,458,210. The total expenditure was Ksh. 33,238,384,950.
The county expected to finance this budget from the equitable share allocation of Ksh. 19.25 billion raised by the national government and Ksh. 17.51 billion generated from its own source revenue. Both the equitable share and own source revenue account for 48.6% and 44.2% of the budget respectively. The county also expected to receive Ksh. 250 million (0.6%) as Appropriations-in-Aid (AIA) and Ksh. 1.34 billion (3.4%) in conditional grants. The county also had a cash balance of Ksh. 1.27 billion (3.2%) from the previous financial year.
Own Source Revenue
Nairobi County generated Ksh. 10.48 billion from its own sources in FY 2022/23, an increase 13.4% from Ksh. 9.24 billion in the FY 2021/2022. The highest source of revenue in the county was land rates at Ksh. 2.9 billion accounting for 27% of total own source revenue collection. Parking fees accounted for 18% of OSR at Ksh. 1.9 billion. Single business permits were 16% of total OSR at Ksh. 1.6 billion. Building plans (9%) and hospitals (9%) generated 963.3 million and 937.8 million respectively. Other sources accounted for 21% of total OSR at 2.2 billion.
Pending bills
Nairobi County had outstanding bills of Ksh. 107.33 billion as of 30th June 2023. This represented 65% of all pending bills in the counties totaling Ksh. 164.76 billion. These bills included Ksh. 103.3 billion from recurrent expenditure and Ksh. 4.03 billion of development expenditure[27].
MCA sitting allowance
The average sitting allowance for Members of County Assembly in Nairobi was Ksh. 34,560 compared to the national average of Ksh. 50,138.
[1] KPHC Analytical Report on Population Projections Volume XVI
[2] GCP Report 2023
[3] The Kenya Poverty Report 2023
[4] The KPHC Report Volume 1
[5] 2019 KPHC Analytical Report on Fertility and Nuptiality VI
[6] 2019 KPHC Analytical Report on Fertility and Nuptiality Volume VI
[7] The KPHC Report Volume IV: Analytical report by socioeconomic characteristics
[8] 2019 KPHC Report Volume IV: Distribution of population by socioeconomic characteristics
[9] The Kenya Demographic and Health Survey, 2022
[10] FinAccess Household Survey: County Perspective, 2022
[11] 2019 KPHC
[12] 2019 KPHC
[13] 2019 KPHC
[14] The Basic Education Statistical Booklet, 2020
[15] The Basic Education Statistical Booklet, 2020
[16] The Basic Education Statistical Booklet, 2020
[17] The Basic Education Statistical Booklet, 2020
[18] NASMLA 2020
[19] The Kenya County Factsheets Report, 2023
[20] The Kenya Demographic and Health Survey, 2022
[21] The Kenya Demographic and Health Survey 2014
[22] 2019 KPHC Analytical Report on Mortality
[23] The Kenya Demographic and Health Survey 2022
[24] HIV Estimates Report 2018
[25] World AIDS Day Report 2022
[26] HIV Estimates Report 2018
[27] County governments budget implementation review report FY2023/23