Chad vs Guinea-Bissau Demographics: Median age, Gender, Religion

Median age history and projection chart in
Chad vs Guinea-Bissau

Table

Year	Median age
	Chad	Guinea-Bissau
1960	19.9	22.9
1961	19.8	22.9
1962	19.6	22.6
1963	19.5	22.3
1964	19.4	21.7
1965	19.2	20.7
1966	19.1	19.9
1967	19	19.6
1968	18.8	19.5
1969	18.7	19.3
1970	18.6	19.1
1971	18.5	19
1972	18.3	18.8
1973	18.2	18.9
1974	18	18.9
1975	17.9	18.8
1976	17.7	18.5
1977	17.5	18.2
1978	17.3	17.8
1979	17.1	17.6
1980	16.7	17.7
1981	16.2	17.6
1982	16.6	17.5
1983	17	17.3
1984	16.7	17.2
1985	16.3	17.2
1986	16.3	17.1
1987	16.4	17.1
1988	16.5	17
1989	16.5	17
1990	16.3	17.1
1991	16.3	17.1
1992	16.4	17.1
1993	16.2	17.1
1994	15.9	17.1
1995	16	17.2
1996	16.1	17.2
1997	15.9	17.3
1998	15.8	17.3
1999	15.7	17.4
2000	15.6	17.4
2001	15.5	17.5
2002	15.4	17.6
2003	15.5	17.6
2004	15.7	17.7
2005	15.7	17.8
2006	15.7	17.9
2007	15.6	17.9
2008	15.6	18
2009	15.6	18.1
2010	15.6	18.2
2011	15.6	18.3
2012	15.6	18.3
2013	15.7	18.4
2014	15.7	18.5
2015	15.7	18.6
2016	15.7	18.8
2017	15.8	18.9
2018	15.8	19.1
2019	15.9	19.2
2020	16	19.4
2021	16.1	19.6
2022	16.2	19.8
2023	16.5	19.9
2024	16.8	20.2
2025	16.8	20.4
2026	16.7	20.6
2027	16.8	20.8
2028	16.9	21.1
2029	16.9	21.3
2030	17	21.5
2031	17.1	21.8
2032	17.3	22
2033	17.4	22.3
2034	17.5	22.6
2035	17.7	22.8
2036	17.8	23.1
2037	18	23.4
2038	18.1	23.7
2039	18.3	23.9
2040	18.5	24.2
2041	18.7	24.5
2042	18.9	24.7
2043	19.1	25
2044	19.4	25.2
2045	19.6	25.5
2046	19.9	25.7
2047	20.1	26
2048	20.3	26.2
2049	20.5	26.5
2050	20.8	26.7

In 1960, the median age in Chad was 19.9 years compared to 22.9 years in Guinea-Bissau. As of 2024, the median age had changed to 16.8 years in Chad and to 20.2 years in Guinea-Bissau.

According to United Nations projections, the median age in Chad is expected to increased to around 20.8 years by 2050 compared to 26.7 years in Guinea-Bissau. 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
	Chad		Guinea-Bissau
	Male	Female	Male	Female
0-4	9.21%	8.96%	6.91%	6.72%
5-9	7.62%	7.43%	6.52%	6.36%
10-14	6.51%	6.33%	6.2%	6.07%
15-19	5.51%	5.38%	5.49%	5.41%
20-24	4.58%	4.52%	4.74%	4.69%
25-29	3.83%	3.81%	4.1%	4.09%
30-34	3.1%	3.11%	3.5%	3.52%
35-39	2.41%	2.44%	3.01%	3.05%
40-44	1.92%	1.96%	2.51%	2.57%
45-49	1.61%	1.67%	1.98%	2.15%
50-54	1.28%	1.34%	1.51%	1.71%
55-59	0.94%	1.01%	1.01%	1.25%
60-64	0.67%	0.74%	0.72%	1.03%
65-69	0.44%	0.51%	0.53%	0.85%
70-74	0.28%	0.33%	0.36%	0.58%
75-79	0.14%	0.17%	0.2%	0.31%
80+	0.1%	0.13%	0.14%	0.22%

The chart above is a variation of a population pyramid and represents a comparison of age and gender structure. Chad has high demographic potential with 79.9% of people in the 0-34 age group compared to 74.3% and similar potential in Guinea-Bissau.

Age dependency chart

Table

Year	Age dependency ratio
	Chad			Guinea-Bissau
	Total	Young	Old	Total	Young	Old
1960	81.7%	74.5%	7.23%	69.2%	62.4%	6.84%
1961	82.5%	75.3%	7.26%	70%	63.1%	6.93%
1962	83.4%	76.1%	7.3%	71.9%	64.9%	7.02%
1963	84.3%	76.9%	7.35%	74%	66.9%	7.14%
1964	84.9%	77.5%	7.39%	77.7%	70.4%	7.37%
1965	85.2%	77.8%	7.4%	82.5%	74.8%	7.69%
1966	85.5%	78.1%	7.41%	85.7%	77.8%	7.91%
1967	85.9%	78.5%	7.41%	86.4%	78.4%	7.93%
1968	86.4%	79%	7.41%	85.3%	77.5%	7.83%
1969	86.9%	79.5%	7.4%	85.5%	77.6%	7.84%
1970	87.6%	80.2%	7.4%	85.6%	77.7%	7.9%
1971	88.3%	80.9%	7.4%	85.9%	77.9%	8.01%
1972	89.2%	81.8%	7.4%	86.3%	78.1%	8.17%
1973	90.2%	82.8%	7.39%	85.3%	77%	8.27%
1974	91.3%	83.9%	7.39%	85.3%	76.8%	8.52%
1975	92.5%	85.1%	7.39%	87.1%	78.2%	8.86%
1976	93.9%	86.5%	7.4%	90.3%	81.1%	9.16%
1977	95.4%	87.9%	7.42%	94.3%	84.9%	9.39%
1978	96.9%	89.4%	7.45%	98.3%	88.8%	9.54%
1979	97.9%	90.4%	7.45%	99.4%	89.9%	9.48%
1980	101.6%	94%	7.61%	99.2%	89.7%	9.48%
1981	105.3%	97.5%	7.78%	100.4%	90.7%	9.69%
1982	101.3%	93.8%	7.54%	101.6%	91.7%	9.89%
1983	98%	90.7%	7.3%	102.7%	92.6%	10.1%
1984	100.8%	93.4%	7.37%	103.6%	93.3%	10.2%
1985	103.7%	96.3%	7.46%	104.1%	93.8%	10.3%
1986	103.3%	95.9%	7.39%	104.4%	93.9%	10.4%
1987	102.2%	94.9%	7.27%	104.4%	93.9%	10.5%
1988	101.6%	94.4%	7.15%	104.2%	93.7%	10.5%
1989	101.3%	94.3%	7.05%	103.8%	93.3%	10.5%
1990	102.3%	95.3%	6.99%	103.3%	92.8%	10.5%
1991	101.9%	95%	6.86%	102.4%	92.1%	10.2%
1992	100.9%	94.2%	6.69%	101.2%	91.4%	9.72%
1993	103.3%	96.6%	6.66%	100.2%	90.9%	9.27%
1994	105.6%	99%	6.63%	99.4%	90.6%	8.86%
1995	104.4%	97.9%	6.45%	98.5%	90%	8.49%
1996	103.7%	97.4%	6.28%	97.5%	89.3%	8.13%
1997	105%	98.8%	6.19%	96.3%	88.5%	7.8%
1998	105.9%	99.8%	6.08%	95.3%	87.8%	7.49%
1999	106.1%	100.2%	5.96%	94.3%	87.1%	7.2%
2000	106.6%	100.7%	5.84%	93.2%	86.3%	6.94%
2001	107.3%	101.6%	5.73%	92.2%	85.5%	6.69%
2002	107.6%	102%	5.62%	91.2%	84.7%	6.47%
2003	106.8%	101.3%	5.47%	90.3%	84%	6.26%
2004	105.2%	99.9%	5.3%	89.4%	83.3%	6.06%
2005	104.4%	99.2%	5.15%	88.6%	82.7%	5.88%
2006	104.4%	99.4%	5.02%	88%	82.2%	5.72%
2007	104.5%	99.6%	4.89%	87.3%	81.7%	5.58%
2008	104.2%	99.5%	4.77%	86.6%	81.2%	5.45%
2009	104%	99.3%	4.66%	85.9%	80.6%	5.35%
2010	104%	99.5%	4.56%	85.2%	80%	5.26%
2011	103.8%	99.3%	4.46%	84.6%	79.4%	5.19%
2012	103.4%	99.1%	4.36%	84%	78.8%	5.15%
2013	102.9%	98.6%	4.26%	83.4%	78.2%	5.12%
2014	102.4%	98.2%	4.2%	82.7%	77.6%	5.12%
2015	102.4%	98.2%	4.17%	82%	76.9%	5.13%
2016	102.3%	98.1%	4.15%	81.3%	76.1%	5.17%
2017	101.8%	97.7%	4.13%	80.4%	75.2%	5.21%
2018	101.2%	97.1%	4.12%	79.4%	74.1%	5.26%
2019	100.7%	96.6%	4.11%	78.3%	73%	5.32%
2020	100.1%	96%	4.1%	77.2%	71.8%	5.35%
2021	98.9%	94.9%	4.07%	76%	70.7%	5.36%
2022	97.9%	93.8%	4.07%	74.8%	69.4%	5.4%
2023	95.4%	91.3%	4.05%	73.6%	68.1%	5.45%
2024	92.9%	88.9%	4.05%	72.3%	66.8%	5.5%

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 Chad decreased from 105.2% to 92.9% between 2004 and 2024.

In Guinea-Bissau, the ratio of dependent people decreased from 89.4% to 72.3% 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
	Chad	Guinea-Bissau
1960	55%	59.1%
1961	54.8%	58.8%
1962	54.5%	58.2%
1963	54.3%	57.5%
1964	54.1%	56.3%
1965	54%	54.8%
1966	53.9%	53.8%
1967	53.8%	53.7%
1968	53.7%	54%
1969	53.5%	53.9%
1970	53.3%	53.9%
1971	53.1%	53.8%
1972	52.9%	53.7%
1973	52.6%	54%
1974	52.3%	54%
1975	52%	53.4%
1976	51.6%	52.6%
1977	51.2%	51.5%
1978	50.8%	50.4%
1979	50.5%	50.2%
1980	49.6%	50.2%
1981	48.7%	49.9%
1982	49.7%	49.6%
1983	50.5%	49.3%
1984	49.8%	49.1%
1985	49.1%	49%
1986	49.2%	48.9%
1987	49.5%	48.9%
1988	49.6%	49%
1989	49.7%	49.1%
1990	49.4%	49.2%
1991	49.5%	49.4%
1992	49.8%	49.7%
1993	49.2%	49.9%
1994	48.6%	50.1%
1995	48.9%	50.4%
1996	49.1%	50.6%
1997	48.8%	50.9%
1998	48.6%	51.2%
1999	48.5%	51.5%
2000	48.4%	51.8%
2001	48.2%	52%
2002	48.2%	52.3%
2003	48.4%	52.6%
2004	48.7%	52.8%
2005	48.9%	53%
2006	48.9%	53.2%
2007	48.9%	53.4%
2008	49%	53.6%
2009	49%	53.8%
2010	49%	54%
2011	49.1%	54.2%
2012	49.2%	54.4%
2013	49.3%	54.5%
2014	49.4%	54.7%
2015	49.4%	54.9%
2016	49.4%	55.2%
2017	49.6%	55.4%
2018	49.7%	55.8%
2019	49.8%	56.1%
2020	50%	56.4%
2021	50.3%	56.8%
2022	50.5%	57.2%
2023	51.2%	57.6%
2024	51.8%	58%
2025	51.9%	58.4%
2026	51.9%	58.9%
2027	51.9%	59.3%
2028	52%	59.8%
2029	52.2%	60.2%
2030	52.4%	60.6%
2031	52.6%	61%
2032	52.8%	61.3%
2033	53%	61.7%
2034	53.3%	61.9%
2035	53.5%	62.2%
2036	53.8%	62.5%
2037	54.1%	62.7%
2038	54.5%	62.9%
2039	54.9%	63.2%
2040	55.3%	63.4%
2041	55.8%	63.6%
2042	56.2%	63.7%
2043	56.6%	64%
2044	57%	64.2%
2045	57.4%	64.4%
2046	57.8%	64.5%
2047	58.1%	64.7%
2048	58.5%	64.9%
2049	58.8%	65.1%
2050	59.1%	65.2%

Between 2004 and 2024, the share of working-age demographics aged 15-64 changed from 48.7% to 51.8% in Chad and from 52.8% to 58% in Guinea-Bissau.

Share of young demographic (0-14 years old)

Table

Year	Share of people 0-14 years old
	Chad	Guinea-Bissau
1960	41%	36.9%
1961	41.2%	37.1%
1962	41.5%	37.7%
1963	41.7%	38.4%
1964	41.9%	39.6%
1965	42%	41%
1966	42.1%	41.9%
1967	42.2%	42.1%
1968	42.4%	41.8%
1969	42.5%	41.9%
1970	42.7%	41.9%
1971	43%	41.9%
1972	43.2%	41.9%
1973	43.5%	41.6%
1974	43.9%	41.4%
1975	44.2%	41.8%
1976	44.6%	42.6%
1977	45%	43.7%
1978	45.4%	44.8%
1979	45.7%	45.1%
1980	46.6%	45%
1981	47.5%	45.3%
1982	46.6%	45.5%
1983	45.8%	45.7%
1984	46.5%	45.9%
1985	47.3%	45.9%
1986	47.2%	46%
1987	47%	45.9%
1988	46.8%	45.9%
1989	46.8%	45.8%
1990	47.1%	45.7%
1991	47.1%	45.5%
1992	46.9%	45.5%
1993	47.5%	45.4%
1994	48.2%	45.4%
1995	47.9%	45.3%
1996	47.8%	45.2%
1997	48.2%	45.1%
1998	48.5%	45%
1999	48.6%	44.8%
2000	48.8%	44.7%
2001	49%	44.5%
2002	49.1%	44.3%
2003	49%	44.2%
2004	48.7%	44%
2005	48.6%	43.9%
2006	48.6%	43.8%
2007	48.7%	43.6%
2008	48.7%	43.5%
2009	48.7%	43.3%
2010	48.8%	43.2%
2011	48.7%	43%
2012	48.7%	42.8%
2013	48.6%	42.7%
2014	48.5%	42.5%
2015	48.5%	42.2%
2016	48.5%	42%
2017	48.4%	41.7%
2018	48.2%	41.3%
2019	48.1%	40.9%
2020	48%	40.5%
2021	47.7%	40.1%
2022	47.4%	39.7%
2023	46.7%	39.2%
2024	46.1%	38.8%
2025	46%	38.3%
2026	46%	37.8%
2027	45.9%	37.4%
2028	45.8%	36.9%
2029	45.6%	36.4%
2030	45.4%	36%
2031	45.1%	35.5%
2032	44.9%	35.1%
2033	44.6%	34.8%
2034	44.3%	34.4%
2035	44%	34.1%
2036	43.7%	33.7%
2037	43.3%	33.4%
2038	42.9%	33%
2039	42.4%	32.7%
2040	41.9%	32.4%
2041	41.4%	32%
2042	40.9%	31.7%
2043	40.5%	31.4%
2044	40%	31%
2045	39.6%	30.7%
2046	39.2%	30.4%
2047	38.8%	30.1%
2048	38.4%	29.7%
2049	38.1%	29.4%
2050	37.7%	29.1%

The share of young people aged below 15 is 46.1% in Chad and 38.8% in Guinea-Bissau. Birth rates in Chad compared to Guinea-Bissau .

Share of old population (65+)

Table

Year	Share of population 65+ years old
	Chad	Guinea-Bissau
1960	3.98%	4.04%
1961	3.98%	4.07%
1962	3.98%	4.08%
1963	3.99%	4.1%
1964	4%	4.15%
1965	4%	4.21%
1966	3.99%	4.26%
1967	3.98%	4.26%
1968	3.97%	4.22%
1969	3.96%	4.23%
1970	3.95%	4.26%
1971	3.93%	4.31%
1972	3.91%	4.39%
1973	3.89%	4.46%
1974	3.86%	4.6%
1975	3.84%	4.74%
1976	3.82%	4.82%
1977	3.8%	4.84%
1978	3.78%	4.81%
1979	3.76%	4.75%
1980	3.77%	4.76%
1981	3.79%	4.84%
1982	3.74%	4.91%
1983	3.69%	4.97%
1984	3.67%	5.02%
1985	3.66%	5.07%
1986	3.63%	5.1%
1987	3.59%	5.13%
1988	3.55%	5.15%
1989	3.5%	5.16%
1990	3.46%	5.16%
1991	3.4%	5.05%
1992	3.33%	4.83%
1993	3.28%	4.63%
1994	3.22%	4.44%
1995	3.15%	4.27%
1996	3.08%	4.12%
1997	3.02%	3.97%
1998	2.95%	3.83%
1999	2.89%	3.71%
2000	2.83%	3.59%
2001	2.76%	3.48%
2002	2.7%	3.38%
2003	2.64%	3.29%
2004	2.58%	3.2%
2005	2.52%	3.12%
2006	2.45%	3.05%
2007	2.39%	2.98%
2008	2.34%	2.92%
2009	2.28%	2.88%
2010	2.23%	2.84%
2011	2.19%	2.81%
2012	2.14%	2.8%
2013	2.1%	2.79%
2014	2.07%	2.8%
2015	2.06%	2.82%
2016	2.05%	2.85%
2017	2.05%	2.89%
2018	2.05%	2.93%
2019	2.05%	2.98%
2020	2.05%	3.02%
2021	2.05%	3.05%
2022	2.06%	3.09%
2023	2.07%	3.14%
2024	2.1%	3.19%
2025	2.12%	3.24%
2026	2.13%	3.28%
2027	2.15%	3.32%
2028	2.18%	3.36%
2029	2.22%	3.39%
2030	2.25%	3.43%
2031	2.29%	3.47%
2032	2.33%	3.51%
2033	2.37%	3.57%
2034	2.42%	3.63%
2035	2.46%	3.71%
2036	2.51%	3.81%
2037	2.57%	3.91%
2038	2.63%	4.03%
2039	2.68%	4.15%
2040	2.74%	4.28%
2041	2.8%	4.42%
2042	2.85%	4.55%
2043	2.9%	4.68%
2044	2.95%	4.8%
2045	3%	4.93%
2046	3.03%	5.07%
2047	3.07%	5.22%
2048	3.11%	5.37%
2049	3.17%	5.52%
2050	3.23%	5.68%

The share of older people aged 65 and over is 2.1% in Chad and 3.19% in Guinea-Bissau. Life expectancy in Chad compared to Guinea-Bissau .