Gabon vs Sierra Leone Demographics: Median age, Gender, Religion

Median age history and projection chart in
Gabon vs Sierra Leone

Table

Year	Median age
	Gabon	Sierra Leone
1960	27.2	21.1
1961	27	21.1
1962	26.8	21.1
1963	26.5	21
1964	26.2	21
1965	25.9	20.9
1966	25.6	20.9
1967	25.2	20.8
1968	24.8	20.7
1969	24.5	20.6
1970	24.2	20.4
1971	23.9	20.2
1972	23.5	20.1
1973	23.2	19.9
1974	22.9	19.8
1975	22.5	19.6
1976	22.2	19.5
1977	21.9	19.4
1978	21.6	19.3
1979	21.3	19.2
1980	21	19.1
1981	20.7	19.1
1982	20.4	19
1983	20.1	18.9
1984	19.9	18.9
1985	19.7	18.8
1986	19.5	18.7
1987	19.3	18.7
1988	19.2	18.6
1989	19	18.6
1990	18.9	18.5
1991	18.9	18.5
1992	18.8	18.4
1993	18.8	18.4
1994	18.8	18.3
1995	18.8	18.2
1996	18.9	18.2
1997	18.9	18.1
1998	19	18.1
1999	19.1	18
2000	19.3	18
2001	19.4	18
2002	19.6	17.9
2003	19.7	17.9
2004	19.9	17.9
2005	20.1	18
2006	20.3	18
2007	20.6	18
2008	20.8	18.1
2009	21	18.1
2010	21.2	18.2
2011	21.4	18.3
2012	21.7	18.4
2013	21.9	18.5
2014	22.1	18.6
2015	22.2	18.7
2016	22.3	18.9
2017	22.4	19.1
2018	22.4	19.2
2019	22.5	19.4
2020	22.5	19.6
2021	22.5	19.8
2022	22.5	20
2023	22.6	20.3
2024	22.6	20.5
2025	22.5	20.7
2026	22.6	20.9
2027	22.6	21.2
2028	22.7	21.4
2029	22.8	21.7
2030	22.9	21.9
2031	23	22.2
2032	23.2	22.4
2033	23.4	22.7
2034	23.5	23
2035	23.7	23.2
2036	23.9	23.5
2037	24.1	23.8
2038	24.3	24
2039	24.5	24.3
2040	24.7	24.6
2041	24.9	24.8
2042	25.1	25.1
2043	25.3	25.4
2044	25.5	25.7
2045	25.7	25.9
2046	25.9	26.2
2047	26	26.5
2048	26.2	26.8
2049	26.4	27.1
2050	26.6	27.3

In 1960, the median age in Gabon was 27.2 years compared to 21.1 years in Sierra Leone. As of 2024, the median age had changed to 22.6 years in Gabon and to 20.5 years in Sierra Leone.

According to United Nations projections, the median age in Gabon is expected to increased to around 26.6 years by 2050 compared to 27.3 years in Sierra Leone. The aging demographics forecast is based on previous years' birth rates and increasing life expectancy.

Demographic pyramid: age and gender distribution

Table

Age range	Share of population
	Gabon		Sierra Leone
	Male	Female	Male	Female
0-4	6.59%	6.5%	6.85%	6.72%
5-9	6.2%	6.13%	6.32%	6.24%
10-14	5.55%	5.51%	6.01%	5.94%
15-19	4.67%	4.65%	5.48%	5.41%
20-24	4.07%	4.04%	4.9%	4.84%
25-29	3.8%	3.7%	4.17%	4.17%
30-34	3.89%	3.63%	3.52%	3.5%
35-39	3.73%	3.36%	2.96%	2.95%
40-44	3.23%	2.88%	2.45%	2.45%
45-49	2.58%	2.31%	1.99%	2.03%
50-54	1.98%	1.82%	1.59%	1.66%
55-59	1.48%	1.42%	1.25%	1.34%
60-64	1.09%	1.1%	0.94%	1.05%
65-69	0.77%	0.83%	0.65%	0.77%
70-74	0.52%	0.6%	0.4%	0.51%
75-79	0.32%	0.39%	0.24%	0.31%
80+	0.27%	0.37%	0.15%	0.22%

The chart above is a variation of a population pyramid and represents a comparison of age and gender structure. Gabon has average demographic potential with 68.9% of people in the 0-34 age group compared to 74.1% and similar potential in Sierra Leone.

Age dependency chart

Table

Year	Age dependency ratio
	Gabon			Sierra Leone
	Total	Young	Old	Total	Young	Old
1960	64.5%	51.6%	12.8%	72.5%	66%	6.59%
1961	65.5%	52.6%	12.9%	72.8%	66.1%	6.68%
1962	66.6%	53.6%	13%	73.1%	66.3%	6.77%
1963	67.8%	54.7%	13.1%	73.7%	66.9%	6.87%
1964	69.1%	55.9%	13.2%	74.8%	67.9%	6.97%
1965	70.2%	57%	13.3%	75.9%	68.8%	7.07%
1966	71.3%	58%	13.3%	76.7%	69.6%	7.15%
1967	72.5%	59.1%	13.4%	77.6%	70.4%	7.23%
1968	73.7%	60.3%	13.4%	78.5%	71.2%	7.31%
1969	74.7%	61.3%	13.4%	79.3%	72%	7.38%
1970	75.5%	62.2%	13.3%	80.1%	72.7%	7.44%
1971	76.5%	63.3%	13.3%	80.8%	73.3%	7.49%
1972	77.7%	64.4%	13.2%	81.5%	73.9%	7.54%
1973	78.9%	65.7%	13.2%	82.1%	74.5%	7.57%
1974	80%	66.9%	13.2%	82.7%	75.1%	7.61%
1975	81.1%	68%	13.1%	83.3%	75.7%	7.63%
1976	82.2%	69.2%	13%	83.8%	76.2%	7.65%
1977	83.2%	70.3%	12.9%	84.3%	76.6%	7.66%
1978	84.3%	71.4%	12.8%	84.7%	77%	7.67%
1979	85.3%	72.6%	12.7%	85.1%	77.4%	7.68%
1980	86.3%	73.7%	12.6%	85.4%	77.7%	7.67%
1981	87.4%	74.8%	12.5%	85.7%	78.1%	7.67%
1982	88.3%	76%	12.4%	86.1%	78.4%	7.66%
1983	89.3%	77%	12.2%	86.4%	78.7%	7.64%
1984	90.2%	78.1%	12.1%	86.7%	79.1%	7.62%
1985	90.9%	79%	11.9%	87%	79.4%	7.6%
1986	91.5%	79.8%	11.8%	87.3%	79.7%	7.57%
1987	92%	80.4%	11.6%	87.6%	80%	7.54%
1988	92.4%	81%	11.4%	87.9%	80.4%	7.5%
1989	92.7%	81.5%	11.3%	88.1%	80.6%	7.46%
1990	92.8%	81.8%	11.1%	88.2%	80.8%	7.41%
1991	92.8%	81.9%	10.9%	88.4%	81%	7.36%
1992	92.5%	81.8%	10.7%	88.6%	81.3%	7.3%
1993	92.1%	81.6%	10.5%	88.7%	81.5%	7.23%
1994	91.5%	81.2%	10.3%	88.9%	81.8%	7.17%
1995	90.7%	80.6%	10.1%	89.1%	82%	7.09%
1996	89.6%	79.7%	9.89%	89.3%	82.3%	7.02%
1997	88.4%	78.7%	9.68%	89.4%	82.5%	6.95%
1998	87.1%	77.6%	9.48%	89.6%	82.7%	6.87%
1999	85.7%	76.4%	9.27%	89.9%	83.1%	6.8%
2000	84.3%	75.2%	9.07%	90%	83.3%	6.73%
2001	82.9%	74%	8.88%	90.1%	83.4%	6.66%
2002	81.5%	72.8%	8.68%	90%	83.5%	6.59%
2003	80%	71.5%	8.49%	89.9%	83.4%	6.53%
2004	78.6%	70.3%	8.3%	89.7%	83.2%	6.46%
2005	77.1%	69%	8.11%	89.4%	83%	6.4%
2006	75.7%	67.8%	7.91%	89%	82.6%	6.34%
2007	74.4%	66.7%	7.72%	88.5%	82.2%	6.28%
2008	73.1%	65.6%	7.55%	88%	81.8%	6.22%
2009	72%	64.7%	7.39%	87.5%	81.3%	6.18%
2010	71.1%	63.9%	7.25%	86.9%	80.7%	6.14%
2011	70.4%	63.3%	7.12%	86.2%	80.1%	6.09%
2012	69.8%	62.7%	7.01%	85.4%	79.3%	6.03%
2013	69.1%	62.2%	6.91%	84.3%	78.4%	5.95%
2014	68.6%	61.8%	6.82%	83.1%	77.3%	5.83%
2015	68.3%	61.6%	6.76%	81.8%	76%	5.73%
2016	68.3%	61.6%	6.74%	80.4%	74.8%	5.67%
2017	68.4%	61.7%	6.73%	79.1%	73.5%	5.61%
2018	68.6%	61.9%	6.73%	77.7%	72.2%	5.56%
2019	68.8%	62.1%	6.74%	76.5%	70.9%	5.53%
2020	69%	62.2%	6.75%	75.3%	69.8%	5.51%
2021	69%	62.2%	6.75%	74.1%	68.6%	5.49%
2022	68.9%	62.1%	6.77%	72.9%	67.4%	5.49%
2023	68.6%	61.8%	6.82%	71.6%	66.1%	5.5%
2024	68.3%	61.4%	6.87%	70.4%	64.9%	5.53%

Age dependency is the ratio of people not in the labor force (children under 15 and adults 64+) to people aged 15 to 64.

Age dependency in Gabon decreased from 78.6% to 68.3% between 2004 and 2024.

In Sierra Leone, the ratio of dependent people decreased from 89.7% to 70.4% between 2004 and 2024 with a decreased share of young people and a decreased proportion of people aged 65+.

Working age demographic

Table

Year	Working age population share
	Gabon	Sierra Leone
1960	60.8%	58%
1961	60.4%	57.9%
1962	60%	57.8%
1963	59.6%	57.6%
1964	59.1%	57.2%
1965	58.7%	56.9%
1966	58.4%	56.6%
1967	58%	56.3%
1968	57.6%	56%
1969	57.3%	55.8%
1970	57%	55.5%
1971	56.6%	55.3%
1972	56.3%	55.1%
1973	55.9%	54.9%
1974	55.5%	54.7%
1975	55.2%	54.6%
1976	54.9%	54.4%
1977	54.6%	54.3%
1978	54.3%	54.1%
1979	54%	54%
1980	53.7%	53.9%
1981	53.4%	53.8%
1982	53.1%	53.7%
1983	52.8%	53.7%
1984	52.6%	53.6%
1985	52.4%	53.5%
1986	52.2%	53.4%
1987	52.1%	53.3%
1988	52%	53.2%
1989	51.9%	53.2%
1990	51.9%	53.1%
1991	51.9%	53.1%
1992	51.9%	53%
1993	52.1%	53%
1994	52.2%	52.9%
1995	52.5%	52.9%
1996	52.7%	52.8%
1997	53.1%	52.8%
1998	53.5%	52.7%
1999	53.9%	52.7%
2000	54.3%	52.6%
2001	54.7%	52.6%
2002	55.1%	52.6%
2003	55.5%	52.6%
2004	56%	52.7%
2005	56.5%	52.8%
2006	56.9%	52.9%
2007	57.3%	53%
2008	57.8%	53.2%
2009	58.1%	53.3%
2010	58.4%	53.5%
2011	58.7%	53.7%
2012	58.9%	53.9%
2013	59.1%	54.2%
2014	59.3%	54.6%
2015	59.4%	55%
2016	59.4%	55.4%
2017	59.4%	55.8%
2018	59.3%	56.3%
2019	59.2%	56.7%
2020	59.2%	57%
2021	59.2%	57.4%
2022	59.2%	57.8%
2023	59.3%	58.3%
2024	59.4%	58.7%
2025	59.6%	59.1%
2026	59.9%	59.5%
2027	60.1%	59.9%
2028	60.4%	60.2%
2029	60.7%	60.6%
2030	61%	60.9%
2031	61.3%	61.2%
2032	61.6%	61.6%
2033	61.9%	61.9%
2034	62.1%	62.2%
2035	62.4%	62.5%
2036	62.6%	62.9%
2037	62.8%	63.2%
2038	63%	63.5%
2039	63.1%	63.8%
2040	63.1%	64.1%
2041	63.2%	64.3%
2042	63.2%	64.6%
2043	63.2%	64.8%
2044	63.2%	65.1%
2045	63.2%	65.3%
2046	63.2%	65.5%
2047	63.2%	65.7%
2048	63.1%	65.9%
2049	63.1%	66.1%
2050	63.1%	66.3%

Between 2004 and 2024, the share of working-age demographics aged 15-64 changed from 56% to 59.4% in Gabon and from 52.7% to 58.7% in Sierra Leone.

Share of young demographic (0-14 years old)

Table

Year	Share of people 0-14 years old
	Gabon	Sierra Leone
1960	31.4%	38.2%
1961	31.8%	38.3%
1962	32.2%	38.3%
1963	32.6%	38.5%
1964	33%	38.8%
1965	33.5%	39.1%
1966	33.9%	39.4%
1967	34.3%	39.6%
1968	34.7%	39.9%
1969	35.1%	40.1%
1970	35.4%	40.3%
1971	35.8%	40.6%
1972	36.3%	40.7%
1973	36.7%	40.9%
1974	37.1%	41.1%
1975	37.6%	41.3%
1976	38%	41.4%
1977	38.4%	41.6%
1978	38.8%	41.7%
1979	39.2%	41.8%
1980	39.6%	41.9%
1981	39.9%	42%
1982	40.3%	42.1%
1983	40.7%	42.2%
1984	41%	42.3%
1985	41.4%	42.5%
1986	41.6%	42.6%
1987	41.9%	42.7%
1988	42.1%	42.8%
1989	42.3%	42.9%
1990	42.4%	42.9%
1991	42.5%	43%
1992	42.5%	43.1%
1993	42.5%	43.2%
1994	42.4%	43.3%
1995	42.3%	43.4%
1996	42%	43.5%
1997	41.8%	43.5%
1998	41.5%	43.6%
1999	41.2%	43.7%
2000	40.8%	43.8%
2001	40.5%	43.9%
2002	40.1%	43.9%
2003	39.7%	43.9%
2004	39.4%	43.9%
2005	39%	43.8%
2006	38.6%	43.7%
2007	38.2%	43.6%
2008	37.9%	43.5%
2009	37.6%	43.4%
2010	37.3%	43.2%
2011	37.1%	43%
2012	37%	42.8%
2013	36.8%	42.5%
2014	36.7%	42.2%
2015	36.6%	41.8%
2016	36.6%	41.4%
2017	36.6%	41%
2018	36.7%	40.6%
2019	36.8%	40.2%
2020	36.8%	39.8%
2021	36.8%	39.4%
2022	36.8%	39%
2023	36.7%	38.5%
2024	36.5%	38.1%
2025	36.2%	37.7%
2026	35.9%	37.2%
2027	35.6%	36.8%
2028	35.3%	36.3%
2029	34.9%	35.9%
2030	34.6%	35.5%
2031	34.2%	35.2%
2032	33.8%	34.8%
2033	33.4%	34.4%
2034	33%	34%
2035	32.7%	33.6%
2036	32.3%	33.2%
2037	32%	32.8%
2038	31.8%	32.4%
2039	31.5%	32%
2040	31.3%	31.6%
2041	31.1%	31.2%
2042	31%	30.9%
2043	30.8%	30.5%
2044	30.6%	30.2%
2045	30.5%	29.8%
2046	30.3%	29.5%
2047	30.2%	29.2%
2048	30%	28.8%
2049	29.8%	28.5%
2050	29.6%	28.2%

The share of young people aged below 15 is 36.5% in Gabon and 38.1% in Sierra Leone. Birth rates in Gabon compared to Sierra Leone .

Share of old population (65+)

Table

Year	Share of population 65+ years old
	Gabon	Sierra Leone
1960	7.8%	3.82%
1961	7.82%	3.87%
1962	7.82%	3.91%
1963	7.82%	3.95%
1964	7.81%	3.99%
1965	7.79%	4.02%
1966	7.77%	4.05%
1967	7.74%	4.07%
1968	7.71%	4.09%
1969	7.66%	4.11%
1970	7.59%	4.13%
1971	7.52%	4.14%
1972	7.45%	4.15%
1973	7.38%	4.16%
1974	7.31%	4.16%
1975	7.23%	4.16%
1976	7.15%	4.16%
1977	7.06%	4.16%
1978	6.97%	4.15%
1979	6.88%	4.15%
1980	6.78%	4.14%
1981	6.68%	4.13%
1982	6.58%	4.12%
1983	6.47%	4.1%
1984	6.36%	4.08%
1985	6.26%	4.06%
1986	6.15%	4.04%
1987	6.05%	4.02%
1988	5.94%	3.99%
1989	5.84%	3.97%
1990	5.74%	3.94%
1991	5.64%	3.91%
1992	5.55%	3.87%
1993	5.46%	3.83%
1994	5.38%	3.79%
1995	5.29%	3.75%
1996	5.21%	3.71%
1997	5.14%	3.67%
1998	5.07%	3.62%
1999	4.99%	3.58%
2000	4.92%	3.54%
2001	4.85%	3.5%
2002	4.78%	3.47%
2003	4.72%	3.44%
2004	4.65%	3.41%
2005	4.58%	3.38%
2006	4.5%	3.35%
2007	4.43%	3.33%
2008	4.36%	3.31%
2009	4.29%	3.3%
2010	4.23%	3.28%
2011	4.18%	3.27%
2012	4.13%	3.26%
2013	4.08%	3.23%
2014	4.04%	3.19%
2015	4.02%	3.15%
2016	4%	3.14%
2017	3.99%	3.13%
2018	3.99%	3.13%
2019	3.99%	3.14%
2020	3.99%	3.14%
2021	4%	3.15%
2022	4.01%	3.18%
2023	4.04%	3.21%
2024	4.08%	3.24%
2025	4.13%	3.28%
2026	4.18%	3.33%
2027	4.24%	3.38%
2028	4.31%	3.43%
2029	4.38%	3.49%
2030	4.46%	3.56%
2031	4.54%	3.62%
2032	4.62%	3.69%
2033	4.71%	3.76%
2034	4.81%	3.83%
2035	4.91%	3.91%
2036	5.03%	3.99%
2037	5.14%	4.07%
2038	5.27%	4.15%
2039	5.4%	4.24%
2040	5.53%	4.33%
2041	5.68%	4.43%
2042	5.83%	4.53%
2043	5.99%	4.64%
2044	6.15%	4.75%
2045	6.32%	4.86%
2046	6.49%	4.98%
2047	6.67%	5.1%
2048	6.85%	5.23%
2049	7.04%	5.36%
2050	7.22%	5.5%

The share of older people aged 65 and over is 4.08% in Gabon and 3.24% in Sierra Leone. Life expectancy in Gabon compared to Sierra Leone .