Bulgaria’s telecom market was for some years affected by the difficult macroeconomic climate, as well as by relatively high unemployment and a shrinking population; these factors continue to slow investments in the sector, though revenue growth has returned since 2019; there still remains pressure on revenue growth, with consumers migrating from fixed-line voice telephony to mobile and VoIP alternatives, while the volume of SMS and MMS traffic has been affected by the growing use of alternative OTT messaging services; investing in network upgrades and its development of services based on 5G have stimulated other market players to invest in their own service provision; by the end of 2022 about 70% of the population is expected to be covered by 5G; the broadband market in Bulgaria enjoys excellent cross-platform competition; the share of the market held by DSL has fallen steadily as a result of customers being migrated to fiber networks; by early 2021 about 65% of fixed-line broadband subscribers were on fiber infrastructure; Bulgaria joins the U.S. State Department’s Clean Network initiative in a bid to protect its 5G communications networks