Nigeria
Revenue for our Nigeria segment decreased by $34.6 million, or 9.7%, to $320.7 million for the fourth quarter of 2023, compared to $355.3 million for the fourth quarter of 2022. Organic revenue increased by $232.8 million, or 65.5%, driven primarily by an increase in FX resets and escalations. The decrease in revenue was primarily driven by the non-core impact of negative movements in FX rates of $267.4 million, or 75.3%. Year-on-year, within our Nigeria segment, Tenants decreased by 201, including 942 Churned (which includes, from the first quarter of 2023, 727 towers occupied by our smallest Key Customer on which we were not recognizing revenue), partially offset by 504 from Colocation and 237 from New Sites, while Lease Amendments increased by 3,781.
Segment Adjusted EBITDA for our Nigeria segment was $199.8 million for the fourth quarter of 2023, compared to $206.1 million for the fourth quarter of 2022, a decrease of $6.2 million, or 3.0%. The decrease in segment Adjusted EBITDA primarily reflects the decrease in revenue driven by negative movements in the FX discussed above, partially offset by an overall reduction in cost of sales of $33.8 million. This reduction in cost of sales was primarily driven by lower pricing and consumption of diesel of $27.2 million, alongside a decrease in maintenance cost and security cost of $5.5 million and $3.1 million, respectively, coupled with an increased FX loss of $4.4 million included within other cost of sales.
SSA
Revenue for our SSA segment increased by $6.5 million, or 5.6%, to $124.0 million for the fourth quarter of 2023, compared to $117.5 million for the fourth quarter of 2022. Organic revenue increased by $14.1 million, or 12.0%, driven primarily by an increase in escalations and FX resets. The increase in revenue was partially offset by the non-core impact of negative movements in FX rates of $7.5 million, or 6.4%. Year-on-year, within our SSA segment, Tenants increased by 557, including 330 from Colocation and 226 from New Sites, while Lease Amendments increased by 1,030.
Segment Adjusted EBITDA for our SSA segment was $62.4 million for the fourth quarter of 2023, compared to $66.6 million for the fourth quarter of 2022, a decrease of $4.2 million, or 6.3%. The decrease in segment Adjusted EBITDA primarily reflects the increase in cost of sales of $9.0 million and loss allowance on trade receivables of $2.9 million, partially offset by an increase in revenue discussed above. The increase in cost of sales was primarily driven by higher power generation, permits and fees and diesel costs of $4.8 million, $1.6 million and $1.5 million, respectively.
Latam
Revenue for our Latam segment increased by $10.4 million, or 23.8%, to $54.3 million for the fourth quarter of 2023, compared to $43.9 million for the fourth quarter of 2022. Organic revenue increased by $7.3 million, or 16.6%, driven primarily by an increase in fiber, escalations and New Sites. The increase in revenue was also driven by the non-core impact of positive movements in FX rates of $3.1 million, or 7.1%. Year-on-year, within our Latam segment, Tenants increased by 648, including 828 from New Sites and 206 from Colocation, partially offset by 386 Churned, while Lease Amendments increased by 118.
Segment Adjusted EBITDA for our Latam segment was $41.1 million for the fourth quarter of 2023, compared to $31.4 million for the fourth quarter of 2022, an increase of $9.7 million, or 30.8%. The increase in segment Adjusted EBITDA primarily reflects the increase in revenue discussed above.
MENA
Revenue for our MENA segment increased by $1.3 million, or 13.3%, to $10.8 million for the fourth quarter of 2023, compared to $9.5 million for the fourth quarter of 2022. Organic revenue increased by $0.6 million, or 6.4%, driven primarily by New Sites and escalations and grew inorganically in the period by $0.6 million, or 6.6%. Year-on-year, within our MENA segment, Tenants increased by 150, including 109 from the closing of the sixth stage of the Kuwait Acquisition in the third quarter of 2023 and 47 from New Sites.
Segment Adjusted EBITDA for our MENA segment was $7.9 million for the fourth quarter of 2023, compared to $4.4 million for the fourth quarter of 2022, an increase of $3.5 million, or 79.7%. The increase in segment Adjusted EBITDA primarily reflects the increase in revenue discussed above and a decrease in cost of sales of $2.0 million.