Telecommunications Market Data Update

Fixed voice services

• UK fixed voice service revenues totalled £995.1m in Q3 2025; a decrease of £47.7m (4.6%) from the previous quarter and a decrease of £199.3m (16.7%) year-on-year.
• The total number of fixed lines (including PSTN lines, ISDN channels and managed VoIP connections) decreased by 897k (3.9%) during the quarter to 22.0 million.
• Total fixed-originated call volumes fell by 777 million minutes (18.3%) year on year, to 3.47 billion minutes.
• There were 29.2 million fixed broadband lines at the end of Q3 2025, an increase of 91k (0.3%) year on year.

Mobile services

• Mobile telephony services generated £3.69bn in retail revenues in Q3 2025, a £100.6m (2.8%) increase from a year previously.
• Average monthly retail revenue per subscriber was £13.58 in Q3 2025, with post-pay subscribers generating more revenue than pre-pay users (averaging £16.2 compared to £5.57 for pre-pay).
• The number of active mobile subscriptions (excluding M2M) was 91.0 million at the end of Q3 2025, up 895k (1.0%) from the year before.
• Over the same period, the number of dedicated mobile broadband subscriptions grew by 477k (10.0%) to 5.2 million.
• The number of mobile-originated voice call minutes decreased by 1.50 billion (3.9%) to 36.86 billion minutes year-on-year, with calls to landlines decreasing by 5.4% to 6.29 billion minutes.
• The number of mobile messages (including SMS and MMS) saw a year-on-year decline, down 1.68 billion messages (24.3%) to 5.24 billion.
• Data usage grew, with volumes up 405 PB (15.3%) year-on-year to 3055 PB.

Telecommunications data revenues, volumes and market share update Q3 2025 (PDF)

Telecommunications data revenues, volumes and market share update Q3 2025 (CSV)

Fixed voice services

• UK fixed voice service revenues totalled £1.04bn in Q2 2025; a decrease of £43.5m (4.0%) from the previous quarter and a decrease of £171.5m (14.1%) year-on-year.
• The total number of fixed lines (including PSTN lines, ISDN channels and managed VoIP connections) declined by 700k (3.0%) during the quarter to 22.9 million.
• Total fixed-originated call volumes decreased by 931 million minutes (20.5%) year on year, to 3.61 billion minutes.
• There were 29.2 million fixed broadband lines at the end of Q2 2025, an increase of 146k (0.5%) year on year.

Mobile services

• Mobile telephony services generated £3.69bn in retail revenues in Q2 2025, a £108.1m (3.0%) increase from a year previously.
• Average monthly retail revenue per subscriber was £13.68 in Q2 2025, with post-pay subscribers generating more revenue than pre-pay users (averaging £16.36 compared to £5.43 for pre-pay).
• The number of active mobile subscriptions (excluding M2M) was 90.0 million at the end of Q2
  2025, up 517k (0.6%) from the year before.
• Over the same period, the number of dedicated mobile broadband subscriptions increased by 521k (11.3%) to 5.1 million.
• The number of mobile-originated voice call minutes declined by 2.41 billion (6.1%) to 37.09
  billion minutes year-on-year, with calls to landlines decreasing by 9.5% to 6.21 billion minutes.
• The number of mobile messages (including SMS and MMS) saw a year-on-year decline, down 1.60 billion messages (22.7%) to 5.44 billion.
• Data usage increased, with volumes up 302 PB (11.6%) year-on-year to 2911 PB.

Telecommunications data revenues, volumes and market share update Q2 2025 (PDF)

Telecommunications data revenues, volumes and market share update Q2 2025 (CSV)

Fixed voice services

• UK fixed voice service revenues totalled £1.09bn in Q1 2025; a decrease of £64.5m (5.6%) from the previous quarter and a decrease of £166.9m (13.3%) year-on-year.
• The total number of fixed lines (including PSTN lines, ISDN channels and managed VoIP connections) declined by 715k (2.9%) during the quarter to 23.6 million.
• Total fixed-originated call volumes decreased by 1201 million minutes (23.5%) year on year, to 3.90 billion minutes.
• There were 29.2 million fixed broadband lines at the end of Q1 2025, an increase of 756k (2.7%) year on year.

Mobile services

• Mobile telephony services generated £3.50bn in retail revenues in Q1 2025, a £90.6m (2.7%)
  increase from a year previously.
• Average monthly retail revenue per subscriber was £13.05 in Q1 2025, with post-pay subscribers generating more revenue than pre-pay users (averaging £15.65 compared to £5.26 for pre-pay).
• The number of active mobile subscriptions (excluding M2M) was 89.1 million at the end of Q1
  2025, up 116k (0.1%) from the year before.
• Over the same period, the number of dedicated mobile broadband subscriptions increased by
  70k (1.5%) to 4.8 million.
• The number of mobile-originated voice call minutes declined by 2.87 billion (7.0%) to 38.32
  billion minutes year-on-year, with calls to landlines decreasing by 9.3% to 6.63 billion minutes.
• The number of mobile messages (including SMS and MMS) saw a year-on-year decline, down
  1.46 billion messages (19.9%) to 5.86 billion.
• Data usage grew, with volumes up 189 PB (7.6%) year-on-year to 2686 PB.

Telecommunications data revenues, volumes and market share update Q1 2025 (PDF)

Telecommunications data revenues, volumes and market share update Q1 2025 (CSV)

In the following section we highlight some of the key trends emerging this quarter from the data we collect on the UK telecommunications sector.

Fixed voice services

• UK fixed voice service revenues totalled £1.15bn in Q4 2024; a decrease of £43.4m (3.6%) from the previous quarter and a decrease of £157.4m (12.0%) year-on-year. BT’s share of these revenues was 49.8%.
• The total number of fixed lines (including PSTN lines, ISDN channels and managed VoIP connections) declined by 1.2 million (4.8%) during the quarter to 23.8 million.
• Total fixed-originated call volumes fell by 1375 million minutes (25.0%) year on year, to 4.12 billion minutes.

Fixed broadband services

• There were 29.2 million fixed broadband lines at the end of Q4 2024, an increase of 691k (2.4%) year on year.
• There were 22.0 million ‘other inc. FTTx’ broadband connections (predominantly fibre-to-the-cabinet and full fibre connections) at the end of Q4 2024, accounting for 75.6% of all lines.
• The number of ADSL lines decreased by 121k (6.2%) during the quarter, while the number of cable lines fell by 36k (0.7%) and the number of ‘other inc. FTTx’ lines grew by 223k (1.0%).

Mobile services

• Mobile telephony services generated £3.53bn in retail revenues in Q4 2024, a £46.4m (1.3%) increase from a year previously.
• Average monthly retail revenue per subscriber was £13.21 in Q4 2024, with post-pay subscribers generating more revenue than pre-pay users (averaging £15.97 compared to £5.26 for pre-pay).
• The number of active mobile subscriptions (excluding M2M) was 88.9 million at the end of Q4 2024, down 259k (0.3%) from the year before.
• Over the same period, the number of dedicated mobile broadband subscriptions decreased by 32k (0.7%) to 4.8 million.
• The number of mobile-originated voice call minutes declined by 3.20 billion (7.7%) to 38.62 billion minutes year-on-year, with calls to landlines decreasing by 11.3% to 6.55 billion minutes.
• The number of mobile messages (including SMS and MMS) saw a year-on-year decline, down 1.11 billion messages (14.3%) to 6.70 billion.
• Data usage increased, with volumes up 178 PB (7.2%) year-on-year to 2652 PB.

Telecommunications data revenues, volumes and market share update Q4 2024 (PDF)

Telecommunications data revenues, volumes and market share update Q4 2024 (CSV)

In the following section we highlight some of the key trends emerging this quarter from the data we collect on the UK telecommunications sector.

Fixed voice services

• UK retail fixed voice revenues totalled £1.19bn in Q3 2024; a fall of £19.9m (1.6%) compared to the previous quarter and a decrease of £101.0m (7.8%) year-on-year. BT’s share of these revenues was 50.6%.
• The total number of fixed lines (including PSTN lines, ISDN channels and managed VoIP connections) declined by 986k (3.8%) during the quarter to 25.0 million.
• Total fixed-originated call volumes fell by 1.41 billion minutes (24.9%) year on year, to 4.25 billion minutes.

Fixed broadband services

• There were 29.1 million fixed broadband lines at the end of Q3 2024, an increase of 682k (2.4%) year on year.
• There were 21.8 million ‘other inc. FTTx’ broadband connections (predominantly fibre-to-the-cabinet and full fibre connections) at the end of Q3 2024, accounting for three-quarters (75%) of all lines.
• The number of ADSL lines declined by 128k (6.1%) during the quarter, while the number of cable lines fell by 22k (0.4%) and the number of ‘other inc. FTTx’ lines grew by 235k (1.1%).

Mobile services

• Mobile telephony services generated £3.59bn in retail revenues in Q3 2024, a £63.3m (1.8%) increase from a year previously.
• Average monthly retail revenue per subscriber was £13.37 in Q3 2024, with post-pay subscribers generating more revenue than pre-pay users (averaging £16.17 compared to £5.35 for pre-pay).
• The number of active mobile subscriptions (excluding M2M) was 89.5 million at the end of Q3 2024, up 558k (0.6%) from the year before.
• Over the same period, the number of dedicated mobile broadband subscriptions declined by 31k (0.6%) to 4.8 million.
• The number of mobile-originated voice call minutes declined by 1.97 billion (4.9%) to 38.36 billion minutes year-on-year, with calls to landlines decreasing by 8.9% to 6.65 billion minutes.
• The number of mobile messages (including SMS and MMS) saw a year-on-year decline, down 0.86 billion messages (11.0%) to 6.93 billion.
• Data usage grew, with volumes up 187 PB (7.7%) year-on-year to 2,624 PB.

Telecommunications data revenues, volumes and market share update Q3 2024 (PDF)

Telecommunications data revenues, volumes and market share update Q2 2024 (CSV)

In the following section we highlight some of the key trends emerging this quarter from the data we collect on the UK telecommunications sector.

Fixed voice services

• UK fixed voice service revenues totalled £1.19bn in Q2 2024; a decrease of £44.0m (3.6%) from the previous quarter and £122.7m (9.3%) year-on-year. BT’s share of these revenues was 50.8%.
• The total number of fixed voice lines (including PSTN lines, ISDN channels and managed VoIP connections) fell by 666k (2.6%) during the quarter to 25.4 million. Year-on-year, the number of fixed lines was down by 3.1 million (10.8%).
• Total fixed-originated call volumes decreased by 1.22 billion minutes (21.5%) year on year, to 4.46 billion minutes.

Fixed broadband services

We have added around 20 broadband providers to our data collection programme, with Q2 2024 being the first quarter for which they submitted data. As a result, the total and ‘other inc. FTTx’ fixed broadband lines figures for Q2 2024 are not comparable to those for previous periods.

• There were 29.0 million UK fixed broadband lines at the end of Q2 2024.
• Of these, 21.6 million were ‘other inc. FTTx’ broadband connections (predominantly fibre-to-the-cabinet and full fibre connections), accounting for 74.4% of all lines.
• The number of ADSL lines declined by 119k (5.4%) during the quarter, while the number of cable lines fell by 41k (0.8%).

Mobile services

• Mobile telephony services generated £3.58bn in retail revenues in Q2 2024, a £97.2m (2.8%) increase from a year previously.
• Average monthly retail revenue per subscriber was £13.36 in Q2 2024, with post-pay subscribers generating more revenue than pre-pay users (averaging £16.08 compared to £5.47 for pre-pay).
• The number of active mobile subscriptions (excluding M2M) was 89.6 million at the end of Q2 2024, up 2.1 million (2.4%) from the year before.
• Over the same period, the number of dedicated mobile broadband subscriptions decreased by 305k (6.2%) to 4.6 million.
• The number of mobile-originated voice call minutes decreased by 1.01 billion (2.5%) to 39.50 billion minutes year-on-year, with calls to landlines decreasing by 4.4% to 6.86 billion minutes.
• The number of mobile messages (including SMS and MMS) saw a year-on-year decline, down 0.90 billion messages (11.3%) to 7.04 billion.
• Data usage grew, with volumes up 315 PB (13.7%) year-on-year to 2609 PB.

Telecommunications data revenues, volumes and market share update Q2 2024 (PDF)

Telecommunications data revenues, volumes and market share update Q2 2024 (CSV)

In the following section we highlight some of the key trends emerging this quarter from the data we collect on the UK telecommunications sector.

Fixed voice services

• UK fixed voice service revenues totalled £1.22bn in Q1 2024; a decrease of £81.3m (6.3%) from the previous quarter and a decrease of £112.9m (8.5%) year-on-year. BT’s share of these revenues was 51.9%.
• The total number of fixed lines (including PSTN lines, ISDN channels and managed VoIP connections) declined by 588k (2.2%) during the quarter to 26.1 million.
• Total fixed-originated call volumes fell by 1,431 million minutes (22.1%) year on year, to 5.05 billion minutes.

Fixed broadband services

• There were 28.5 million fixed broadband lines at the end of Q1 2024, an increase of 89k (0.3%) year-on-year but unchanged quarter-on-quarter.
• There were 20.9 million ‘other inc. FTTx’ broadband connections (predominantly fibre-to-the-cabinet and full fibre connections) at the end of Q1 2024, accounting for 73.4% of all lines.
• The number of ADSL lines fell by 97k (4.2%) during the quarter, while the number of cable lines decreased by 165k (3.0%) and the number of ‘other inc. FTTx’ lines increased by 262k (1.3%).

Mobile services

• Mobile telephony services generated £3.41bn in retail revenues in Q1 2024, a £227.7m (7.2%) increase from a year previously.
• Average monthly retail revenue per subscriber was £12.75 in Q1 2024, with post-pay subscribers generating more revenue than pre-pay users (averaging £15.29 compared to £5.36 for pre-pay).
• The number of active mobile subscriptions (excluding M2M) was 89.0 million at the end of Q1 2024, up 2.2 million (2.5%) from the year before.
• Over the same period, the number of dedicated mobile broadband subscriptions decreased by 185k (3.8%) to 4.7 million.
• The number of mobile-originated voice call minutes decreased by 914.4 million (2.2%) to 41.19 billion minutes year-on-year, with calls to landlines decreasing by 5.9% to 7.31 billion minutes.
• The number of mobile messages (including SMS and MMS) saw a year-on-year decline, down 0.83 billion messages (10.2%) to 7.31 billion.
• Data usage increased, with volumes up 297 PB (13.5%) year-on-year to 2497 PB.

Telecommunications data revenues, volumes and market share update Q1 2024 (PDF)

Telecommunications data revenues, volumes and market share update Q1 2024 (CSV)

In the following section we highlight some of the key trends emerging this quarter from the data we collect on the UK telecommunications sector.

Fixed voice services

• UK fixed voice service revenues totalled £1.30bn in Q4 2023; an increase of £3.0m (0.2%) from the previous quarter and a decrease of £91.9m (6.6%) year-on-year. BT’s share of these revenues was 51.4%.
• The total number of fixed lines (including PSTN lines, ISDN channels and managed VoIP connections) fell by 967k (3.5%) during the quarter to 26.6 million.
• Total fixed-originated call volumes fell by 1403 million minutes (20.6%) year on year, to 5.42 billion minutes.

Fixed broadband services

• There were 28.2 million fixed broadband lines at the end of Q4 2023, an increase of 38k (0.1%) year on year.
• There were 20.4 million ‘other inc. FTTx’ broadband connections (predominantly fibre-to-the-cabinet and full fibre connections) at the end of Q4 2023, accounting for 72.2% of all lines.
• The number of ADSL lines decreased by 120k (5.0%) during the quarter, while the number of cable lines increased by 86k (1.6%) and the number of ‘other inc. FTTx’ lines grew by 136k (0.7%).

Mobile services

• Mobile telephony services generated £3.49bn in retail revenues in Q4 2023, a £215.3m (6.6%) increase from a year previously.
• The number of active mobile subscriptions (excluding M2M) was 89.2 million at the end of Q4 2023, up 2.5 million (2.9%) from the year before.
• Over the same period, the number of dedicated mobile broadband subscriptions decreased by 145k (2.9%) to 4.8 million.
• Average monthly retail revenue per subscriber was £13.05 in Q4 2023, with post-pay subscribers generating more revenue than pre-pay users (averaging £15.79 compared to £5.33 for pre-pay).
• The number of mobile-originated voice call minutes fell by 274.3 million (0.7%) to 41.82 billion minutes year-on-year, with calls to landlines decreasing by 13.5% to 7.39 billion minutes.
• The number of mobile messages (including SMS and MMS) saw a year-on-year decline, down 0.98 billion messages (11.1%) to 7.82 billion.
• Data usage grew, with volumes up 324 PB (15.1%) year-on-year to 2474 PB.

Telecommunications data revenues, volumes and market share update Q4 2023 (PDF, 392.4 KB)

Telecommunications data revenues, volumes and market share update Q4 2023 (CSV, 119.9 KB)

In the following section we highlight some of the key trends emerging this quarter from the data we collect on the UK telecommunications sector.

Fixed voice services

• UK fixed voice service revenues totalled £1.30bn in Q3 2023; a decrease of £18.6m (1.4%) from the previous quarter and £117.8m (8.3%) year-on-year. BT’s share of these revenues was 49.3%.
• The total number of fixed lines (including PSTN lines, ISDN channels and managed VoIP connections) declined by 950k (3.3%) during the quarter to 27.6 million.
• Total fixed-originated call volumes fell by 1328 million minutes (18.9%) year on year, to 5.69 billion minutes.

Fixed broadband services

• There were 28.6 million fixed broadband lines at the end of Q3 2023, an increase of 528k (1.9%) year on year.
• There were 20.8 million ‘other inc. FTTx’ broadband connections (predominantly fibre-to-the-cabinet and full fibre connections) at the end of Q3 2023, accounting for 72.8% of all lines.
• The number of ADSL lines fell by 155k (6.2%) during the quarter, while the number of cable lines grew by 28k (0.5%) and the number of ‘other inc. FTTx’ lines increased by 499k (2.5%).

Mobile services

• Mobile telephony services generated £3.51bn in retail revenues in Q3 2023, a £144.2m (4.3%) increase from a year previously.
• Average monthly retail revenue per subscriber was £13.30 in Q3 2023, with post-pay subscribers generating more revenue than pre-pay users (averaging £16.22 compared to £5.19 for pre-pay).
• The number of active mobile subscriptions (excluding M2M) was 88.7 million at the end of Q3 2023, up 1.5 million (1.7%) from the year before.
• Over the same period, the number of dedicated mobile broadband subscriptions declined by 172k (3.5%) to 4.8 million.
• The number of mobile-originated voice call minutes declined by 3.53 billion (8.5%) to 37.98 billion minutes year-on-year, with calls to landlines decreasing by 13.4% to 7.39 billion minutes.
• The number of mobile messages (including SMS and MMS) saw a year-on-year decline, down 1.72 billion messages (18.9%) to 7.38 billion.
• Data usage increased, with volumes up 363 PB (18.9%) year-on-year to 2286 PB.

Telecommunications data revenues, volumes and market share update Q3 2023 (PDF, 373.2 KB)

Telecommunications data revenues, volumes and market share update Q3 2023 (CSV, 115.4 KB)

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