Based on 168 economies for which data on fixed-broadband prices in PPP$ were available for the years 2016 and 2017. Similarly, the plans selected in 2017 for Ireland, the Republic of Korea, the United Kingdom and the United States included unlimited domestic voice minutes and SMS. As a result, the cheapest option for the monthly consumption defined in the ITU mobile-cellular basket (51 minutes and 100 SMS) includes in several countries some extra data allowance.