Sub-Saharan Africa is projected to become one of the world's fastest-growing 5G markets, with subscriptions expected to reach 370 million by 2031, according to the latest Ericsson Mobility Report.
The report says the rapid expansion, driven by the phase-out of legacy networks, will help provide the connectivity foundation needed to support the continent's emerging AI economy.
Global 5G mobile subscriptions surpassed three billion during the first quarter of 2026.
In Sub-Saharan Africa, the transition from legacy networks to advanced connectivity is accelerating.
"The acceleration of 4G and 5G is a defining opportunity for Africa to leapfrog into the AI era. By transitioning away from legacy networks, we are building the foundation for a vibrant, inclusive digital economy," said Majda Lahlou Kassi, vice president and head of Ericsson West and Southern Africa.
"With the right collaborative investments in spectrum and policy frameworks, Africa is positioned to fully participate in and benefit from the AI boom."
The report also notes that LTE (4G) subscriptions are forecast to grow from 490 million in 2025 to 610 million by 2031, accounting for 46% of all subscriptions.
Meanwhile, 5G is expected to account for 28% of all mobile subscriptions by the end of 2031.
While Sub-Saharan Africa remains behind more mature markets in 5G adoption, the region is expected to record one of the fastest growth rates globally over the next five years as operators expand coverage and retire older networks.
Markets such as South Africa, Nigeria, Kenya and Ethiopia are expected to account for a significant share of new 5G connections, driven by growing smartphone adoption, network investment and increasing demand for high-speed mobile broadband.
The growth trend is also reflected in the total amount of mobile data used each month in the region is expected to increase significantly—from 2.8 exabytes per month in 2025 to 9.7 exabytes per month by 2031.
An exabyte is a very large unit of digital information equivalent to one billion gigabytes and this forecast indicates rapid growth in mobile data consumption over the coming years
Despite the positive outlook, the GSMA warns that Africa's smartphone market remains divided between rapid growth and persistent digital exclusion.
While nearly 82% of individuals own a mobile phone, only about 40% own a smartphone. High device costs relative to income, limited network infrastructure in rural areas and low levels of digital literacy continue to restrict mobile internet adoption.
Ericsson said service providers are increasingly prioritising fixed wireless access (FWA) as part of their connectivity strategies.
"FWA is emerging as a key focus area for connecting consumers and enterprises, presenting significant long-term potential to address the region's demand for reliable broadband."
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