The statistical data for mobile market in January - September 2017 show that the trends shaped out last year continue: a slight increase in the number of users and voice traffic in mobile networks and a decrease in providers' revenues on this market. Thus, in nine months, the number of users increased by more than 63,7 thousand (+1,4%) up to over 4 million 493 thousand (SIM cards), the volume of voice traffic increased compared to the same last year, by 11,4 million minutes (+0,2%) and amounted to 4 billion 640,5 million minutes, while the total volume of revenues decreased by more than 120,2 million lei (-4,6%) and equaled over 2 billion 519,4 million lei.