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KT Corporation

Telecom & mediaTelecommunicationsKT
—
Latest disclosed NPS
no score published
0
NPS entries
0 with a number
0.9%
Churn
12 Aug 2026
2003–26
Years covered
67 entries in all

In their words

“In 2003, KT Freetel had an average monthly churn rate of 2.0%”
— KT Corporation · SEC 20-F annual report · filed 25 Jun 2004
“In 2002, KT Freetel had an average monthly churn rate of 2.68%.”
— KT Corporation · SEC 20-F annual report · filed 25 Jun 2003

NPS disclosures (0)

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Retention disclosures (67)

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12 Aug 2026
Churn0.9%

Churn (Wireless (MNO)): 0.9% (2Q26) — “Churn rate2) 1.0% 1.2% 1.0% 1.7% 0.9% -0.8%p”

— KT Corporation · SEC 6-K report · filed 12 Aug 2026
SEC 6-K report ↗
12 May 2026
Churn1.7%

Churn (Wireless (MNO)): 1.7% (1Q26) — “Churn rate2) 1.0% 1.0% 1.2% 1.0% 1.7% 0.7%p”

— KT Corporation · SEC 6-K report · filed 12 May 2026
SEC 6-K report ↗
10 Feb 2026
Churn1%

Churn (Wireless (MNO)): 1% (4Q25) — “Churn rate2) 1.1% 1.0% 1.0% 1.2% 1.0% -0.2%p”

— KT Corporation · SEC 6-K report · filed 10 Feb 2026
SEC 6-K report ↗
11 Aug 2025
Churn1%

Churn (wireless): 1% (2Q 2025) — “Churn rate 1.0%”

— KT Corporation · SEC 6-K report · filed 11 Aug 2025
SEC 6-K report ↗
9 May 2025
Churn1%

Churn (Wireless (MNO subscribers)): 1% (Q1 2025) — “Churn rate 1.1% 1.0% 1.0% 1.1% 1.0% 0.1%p -0.1%p”

— KT Corporation · SEC 6-K report · filed 9 May 2025
SEC 6-K report ↗
13 Feb 2025
Churn1.1%

Churn (wireless): 1.1% (4Q 2024) — “Churn rate 1.1%”

— KT Corporation · SEC 6-K report · filed 13 Feb 2025
SEC 6-K report ↗
9 Aug 2024
Churn1%

Churn (Wireless (MNO)): 1% (Q2 2024) — “Churn rate 1.0% 1.1% 1.1% 1.1% 1.0% -0.1%p 0.0%p”

— KT Corporation · SEC 6-K report · filed 9 Aug 2024
SEC 6-K report ↗
8 Feb 2024
Churn1.1%

Churn (Wireless (MNO)): 1.1% (Q4 2023) — “Churn rate 1.3% 1.0% 1.0% 1.1% 1.1% 0.0%p -0.2%p”

— KT Corporation · SEC 6-K report · filed 8 Feb 2024
SEC 6-K report ↗
7 Nov 2023
Churn1.2%

Churn (Wireless): 1.2% (Q3 2023) — “Churn rate 0.8% 1.1% 1.0% 0.9% 1.2% +0.3%p +0.4%p”

— KT Corporation · SEC 6-K report · filed 7 Nov 2023
SEC 6-K report ↗
7 Aug 2023
Churn0.9%

Churn (Wireless): 0.9% (Q2 2023) — “Churn rate 0.9% 0.8% 1.1% 1.0% 0.9% -0.1%p 0.0%p”

— KT Corporation · SEC 6-K report · filed 7 Aug 2023
SEC 6-K report ↗
11 May 2023
Churn1%

Churn (Wireless): 1% (Q1 2023) — “Churn rate 1.1% 0.9% 0.8% 1.1% 1.0% -0.1%p -0.1%p”

— KT Corporation · SEC 6-K report · filed 11 May 2023
SEC 6-K report ↗
9 Feb 2023
Churn0.8%

Churn (Wireless): 0.8% (Q4 2022) — “Churn rate 1.5% 1.1% 0.9% 0.8% ... 1.1% 0.3%p -0.4%p”

— KT Corporation · SEC 6-K report · filed 9 Feb 2023
SEC 6-K report ↗
8 Nov 2022
Churn0.8%

Churn (Wireless): 0.8% (Q3 2022) — “Churn rate 1.3% 1.5% 1.1% 0.9% 0.8% -0.1%p -0.5%p”

— KT Corporation · SEC 6-K report · filed 8 Nov 2022
SEC 6-K report ↗
10 Aug 2022
Churn0.9%

Churn (Wireless): 0.9% (Q2 2022) — “Churn rate 0.9% -0.4%p [YoY]”

— KT Corporation · SEC 6-K report · filed 10 Aug 2022
SEC 6-K report ↗
12 May 2022
Churn1.2%

Churn (Wireless): 1.2% (Q1 2022) — “Churn rate 1.2% -0.4%p [YoY]”

— KT Corporation · SEC 6-K report · filed 12 May 2022
SEC 6-K report ↗
9 Feb 2022
Churn1.5%

Churn (Wireless): 1.5% (Q4 2021) — “Churn rate 1.5% 1.6% 1.3% 1.3% 1.5% 0.2%p 0.0%p”

— KT Corporation · SEC 6-K report · filed 9 Feb 2022
SEC 6-K report ↗
10 Aug 2021
Churn1.3%

Churn: 1.3% (2Q 2021) — “Churn rate 1.3% 1.2% 1.5% 1.6% 1.3% -0.3%p”

— KT Corporation · SEC 6-K report · filed 10 Aug 2021
SEC 6-K report ↗
11 May 2021
Churn1.6%

Churn (Wireless): 1.6% (Q1 2021) — “Churn rate 1.3% 1.3% 1.2% 1.5% 1.6% 0.1%p 0.3%p”

— KT Corporation · SEC 6-K report · filed 11 May 2021
SEC 6-K report ↗
9 Feb 2021
Churn1.5%

Churn: 1.5% (4Q 2020) — “Churn rate 1.5% 0.3%p YoY 0.1%p”

— KT Corporation · SEC 6-K report · filed 9 Feb 2021
SEC 6-K report ↗
6 Nov 2020
Churn1.2%

Churn (Wireless): 1.2% (Q3 2020) — “Churn rate 1.5% 1.4% 1.3% 1.4% 1.3% 1.3% 1.2% -0.1%p -0.1%p”

— KT Corporation · SEC 6-K report · filed 6 Nov 2020
SEC 6-K report ↗
13 May 2020
Churn1.3%

Churn (Wireless): 1.3% (1Q 2020) — “Churn rate 1.5% 1.4% 1.3% 1.4% 1.3% -0.1%p -0.2%p”

— KT Corporation · SEC 6-K report · filed 13 May 2020
SEC 6-K report ↗
6 Feb 2020
Churn1.4%

Churn (Total): 1.4% (4Q 2019) — “Churn rate 1.4% 1.4% 1.5% 1.6% 1.5% 1.4% 1.3% 1.4% 0.1%p -0.2%p”

— KT Corporation · SEC 6-K report · filed 6 Feb 2020
SEC 6-K report ↗
8 Nov 2019
Churn1.3%

Churn (Wireless): 1.3% (Q3 2019) — “Churn rate 1.4% 1.4% 1.5% 1.6% 1.5% 1.4% 1.3% -0.1%p”

— KT Corporation · SEC 6-K report · filed 8 Nov 2019
SEC 6-K report ↗
7 Aug 2019
Churn1.4%

Churn (wireless): 1.4% (2Q 2019) — “Churn rate 1.4% 1.4% 1.5% 1.6% 1.5% 1.4% -0.1%p”

— KT Corporation · SEC 6-K report · filed 7 Aug 2019
SEC 6-K report ↗
3 May 2019
Churn1.5%

Churn (wireless): 1.5% (1Q 2019) — “Churn rate 1.4% 1.4% 1.5% 1.6% 1.5% -0.1%p 0.1%p”

— KT Corporation · SEC 6-K report · filed 3 May 2019
SEC 6-K report ↗
12 Feb 2019
Churn1.6%

Churn (Wireless): 1.6% (Q4 2018) — “Churn rate 1.6% 1.6% 1.7% 1.7% 1.4% 1.4% 1.5% 1.6%”

— KT Corporation · SEC 6-K report · filed 12 Feb 2019
SEC 6-K report ↗
2 Nov 2018
Churn1.5%

Churn (Wireless): 1.5% (Q3 2018) — “Churn rate 1.5% (3Q 18), -0.2%p YoY”

— KT Corporation · SEC 6-K report · filed 2 Nov 2018
SEC 6-K report ↗
3 May 2018
Churn1.4%

Churn (Wireless): 1.4% (Q1 2018) — “Churn rate 1.4% (1Q 18), -0.2%p YoY”

— KT Corporation · SEC 6-K report · filed 3 May 2018
SEC 6-K report ↗
6 Feb 2018
Churn1.7%

Churn (Wireless): 1.7% (Q4 2017) — “Churn rate 1.7% (4Q 17), -0.1%p YoY”

— KT Corporation · SEC 6-K report · filed 6 Feb 2018
SEC 6-K report ↗
1 Nov 2017
Churn1.7%

Churn (Wireless): 1.7% (Q3 2017) — “Churn rate 1.7% in 3Q 17”

— KT Corporation · SEC 6-K report · filed 1 Nov 2017
SEC 6-K report ↗
28 Jul 2017
Churn1.6%

Churn (Wireless (LTE+WCDMA), KT Separate): 1.6% (2Q17) — “Churn rate 1.6% 1.6% 0.0%p -0.1%p”

— KT Corporation · SEC 6-K report · filed 28 Jul 2017
SEC 6-K report ↗
28 Apr 2017
Churn1.6%

Churn (Wireless): 1.6% (Q1 2017) — “Churn rate 1.6% in 1Q 17, -0.2%p YoY”

— KT Corporation · SEC 6-K report · filed 28 Apr 2017
SEC 6-K report ↗
1 Feb 2017
Churn1.8%

Churn (Wireless): 1.8% (Q4 2016) — “Churn rate 1.8% in 4Q 16”

— KT Corporation · SEC 6-K report · filed 1 Feb 2017
SEC 6-K report ↗
28 Oct 2016
Churn1.7%

Churn (Wireless): 1.7% (Q3 2016) — “Churn rate 2.3% 1.8% 1.8% 1.8% 1.8% 1.7% 1.7% 0.0%p -0.1%p”

— KT Corporation · SEC 6-K report · filed 28 Oct 2016
SEC 6-K report ↗
29 Jul 2016
Churn1.4%

Churn (Wireless): 1.4% (Q2 2016) — “Churn rate 2.3% 1.8% 1.8% 1.8% 1.6% 1.4% -0.2%p -0.4%p”

— KT Corporation · SEC 6-K report · filed 29 Jul 2016
SEC 6-K report ↗
29 Apr 2016
Churn1.6%

Churn (Wireless): 1.6% (Q1 2016) — “Churn rate 2.3% 1.8% 1.8% 1.8% 1.6% -0.2%p -0.7%p”

— KT Corporation · SEC 6-K report · filed 29 Apr 2016
SEC 6-K report ↗
29 Jan 2016
Churn1.8%

Churn (Wireless): 1.8% (Q4 2015) — “Churn rate 2.9% 2.3% 2.7% 2.1% 2.3% 1.8% 1.8% 1.8% 0.0%p -0.3%p”

— KT Corporation · SEC 6-K report · filed 29 Jan 2016
SEC 6-K report ↗
30 Oct 2015
Churn1.8%

Churn (Wireless (LTE+WCDMA)): 1.8% (Q3 2015) — “Churn rate 1.8%, 0.0%p QoQ change”

— KT Corporation · SEC 6-K report · filed 30 Oct 2015
SEC 6-K report ↗
31 Jul 2015
Churn1.8%

Churn (Mobile (WCDMA + LTE)): 1.8% (2Q 2015) — “Churn rate (%) 1.8%, -0.5%p QoQ”

— KT Corporation · SEC 6-K report · filed 31 Jul 2015
SEC 6-K report ↗
30 Apr 2015
Churn2.3%

Churn (Mobile (WCDMA + LTE)): 2.3% (Q1 2015) — “Churn rate (%) 2.3%”

— KT Corporation · SEC 6-K report · filed 30 Apr 2015
SEC 6-K report ↗
30 Jan 2015
Churn2.7%

Churn (Mobile): 2.7% (Q4 2014) — “Churn rate (%) 2.7%”

— KT Corporation · SEC 6-K report · filed 30 Jan 2015
SEC 6-K report ↗
29 Jul 2014
Churn2.3%

Churn (mobile (3G + LTE)): 2.3% (Q2 2014) — “Churn rate (%) 2.3% in Q2 2014, -0.6%p year-over-year”

— KT Corporation · SEC 6-K report · filed 29 Jul 2014
SEC 6-K report ↗
30 Apr 2014
Churn2.7%

Churn (mobile (3G + LTE)): 2.7% (Q1 2014) — “Churn rate (%) 2.7% 2.7% 2.4% 2.6% 2.9% for Q1 2014”

— KT Corporation · SEC 6-K report · filed 30 Apr 2014
SEC 6-K report ↗
28 Jan 2014
Churn2.7%

Churn (Mobile): 2.7% (Q4 2013) — “Churn rate (%) 2.7% 2.8% 3.1% 2.5% 2.7% 2.5% 2.4% 2.6% 0.2%p”

— KT Corporation · SEC 6-K report · filed 28 Jan 2014
SEC 6-K report ↗
4 Nov 2013
Churn2.4%

Churn (mobile subscribers): 2.4% (Q3 2013) — “Churn rate (%) 2.7% 2.8% 3.1% 2.5% 2.7% 2.5% 2.4% -0.1%p”

— KT Corporation · SEC 6-K report · filed 4 Nov 2013
SEC 6-K report ↗
1 Feb 2013
Churn2.5%

Churn (mobile subscribers): 2.5% (Q1 2013) — “Churn rate (%) 2.8% 3.4% 2.9% 3.1% 2.7% 2.8% 3.1% 2.5%—0.6%p”

— KT Corporation · SEC 6-K report · filed 1 Feb 2013
SEC 6-K report ↗
5 Nov 2012
Churn3.1%

Churn (mobile subscribers): 3.1% (Q3 2012) — “Churn rate (%) 2.8% 3.4% 2.9% 3.1% 2.7% 2.8% 3.1% 0.3%p”

— KT Corporation · SEC 6-K report · filed 5 Nov 2012
SEC 6-K report ↗
3 Aug 2012
Churn2.8%

Churn (mobile subscribers): 2.8% (Q2 2012) — “Churn rate (%) 2.8% 3.4% 2.9% 3.1% 2.7% 2.8% 0.1%p”

— KT Corporation · SEC 6-K report · filed 3 Aug 2012
SEC 6-K report ↗
7 May 2012
Churn2.7%

Churn (Mobile): 2.7% (1Q12) — “Churn rate (%) 2.8% 3.4% 2.9% 3.1% 2.7% -0.4%p -0.1%p”

— KT Corporation · SEC 6-K report · filed 7 May 2012
SEC 6-K report ↗
6 Feb 2012
Churn3.1%

Churn (Mobile): 3.1% (4Q11) — “Churn rate (%) 2.9% 3.0% 3.5% 2.9% 2.8% 3.4% 2.9% 3.1%”

— KT Corporation · SEC 6-K report · filed 6 Feb 2012
SEC 6-K report ↗
10 Nov 2011
Churn1%

Churn (Broadband): 1% (Q3 2011) — “Churn rate (RHS) 1.4%1.3%1.1%1.2%1.1%1.1%1.0%”

— KT Corporation · SEC 6-K report · filed 10 Nov 2011
SEC 6-K report ↗
10 Nov 2011
Churn2.9%

Churn (Mobile (KT only)): 2.9% (Q3 2011) — “Churn Rate (RHS) 2.9%3.0%3.5%2.9% 2.8%3.4%2.9%”

— KT Corporation · SEC 6-K report · filed 10 Nov 2011
SEC 6-K report ↗
5 Aug 2011
Churn3.4%

Churn (Mobile (KT only)): 3.4% (Q2 2011) — “Churn rate (%) 2.9% 3.0% 3.5% 2.9% 2.8% 3.4%”

— KT Corporation · SEC 6-K report · filed 5 Aug 2011
SEC 6-K report ↗
6 May 2011
Churn1.1%

Churn (Broadband): 1.1% (Q1 2011) — “1Q11: 1.1% churn rate & 129K net addition”

— KT Corporation · SEC 6-K report · filed 6 May 2011
SEC 6-K report ↗
6 May 2011
Churn2.8%

Churn (Mobile): 2.8% (Q1 2011) — “Churn rate (%) 2.8% -0.1%p”

— KT Corporation · SEC 6-K report · filed 6 May 2011
SEC 6-K report ↗
28 Jan 2011
Churn2.9%

Churn (Wireless): 2.9% (Q4 2010) — “Churn rate (%) 2.9 % 2.7 % 0.2 %p”

— KT Corporation · SEC 6-K report · filed 28 Jan 2011
SEC 6-K report ↗
22 Nov 2010
Churn3.5%

Churn (wireless): 3.5% (Q3 2010) — “Churn rate (%) 3.5 % 3.0 % 0.5 %p”

— KT Corporation · SEC 6-K report · filed 22 Nov 2010
SEC 6-K report ↗
3 Aug 2010
Churn3%

Churn (Wireless): 3% (Q2 2010) — “Churn rate (%) 3.0 % 4.1 % -1.1 %p 3.0 % 2.9 % 0.1 %p”

— KT Corporation · SEC 6-K report · filed 3 Aug 2010
SEC 6-K report ↗
3 May 2010
Churn2.9%

Churn (Wireless): 2.9% (Q1 2010) — “Churn rate (%) 2.9% 2.8% 1.7% 2.9% 2.7% 6.5%”

— KT Corporation · SEC 6-K report · filed 3 May 2010
SEC 6-K report ↗
1 Feb 2010
Churn2.7%

Churn: 2.7% (4Q '09) — “Churn rate 4.4 % 4.4 % 3.2 % 2.6 % 2.8 % 4.1 % 3.0 % 2.7 % -0.3 %p”

— KT Corporation · SEC 6-K report · filed 1 Feb 2010
SEC 6-K report ↗
4 Nov 2009
Churn3%

Churn (wireless): 3% (Q3 2009) — “Churn rate 4.4 % 4.4 % 3.2 % 2.6 % 2.8 % 4.1 % 3.0 % -1.1 %p -0.2 %p”

— KT Corporation · SEC 6-K report · filed 4 Nov 2009
SEC 6-K report ↗
14 Aug 2009
Churn4%

Churn: 4% (1H 2009) — “Churn rate 4.4 % 4.4 % 3.2 % 2.6 % 2.8 % 4.0 % 1.2 %p -0.3 %p”

— KT Corporation · SEC 6-K report · filed 14 Aug 2009
SEC 6-K report ↗
24 Apr 2009
Churn4.5%

Churn: 4.5% (Mar-09) — “Churn Rate 5.3 % 6.0 % 4.4 % 5.2 % 5.6 % 5.4 % 3.9 % 4.0 % 4.1 % 3.4 % 3.9 % 3.9 % 4.0 % 4.5 %”

— KT Corporation · SEC 6-K report · filed 24 Apr 2009
SEC 6-K report ↗
23 Jan 2009
Churn3.9%

Churn: 3.9% (Dec-08) — “Churn Rate 4.0 % 4.4 % 4.0 % 5.3 % 6.0 % 4.4 % 5.2 % 5.6 % 5.4 % 3.9 % 4.0 % 4.1 % 3.4 % 3.9 %”

— KT Corporation · SEC 6-K report · filed 23 Jan 2009
SEC 6-K report ↗
31 Oct 2008
Churn4%

Churn: 4% (September 2008) — “Churn Rate 3.1 % 4.1 % 4.0 % 4.4 % 4.0 % 5.3 % 6.0 % 4.4 % 5.2 % 5.6 % 5.4 % 3.9 % 4.0 %”

— KT Corporation · SEC 6-K report · filed 31 Oct 2008
SEC 6-K report ↗
25 Jun 2004
Churn2%

Churn (KT Freetel): 2% (FY2003) — “In 2003, KT Freetel had an average monthly churn rate of 2.0%”

— KT Corporation · SEC 20-F annual report · filed 25 Jun 2004
SEC 20-F annual report ↗
25 Jun 2003
Churn2.68%

Churn (KT Freetel mobile/PCS): 2.68% (2002, monthly) — “In 2002, KT Freetel had an average monthly churn rate of 2.68%.”

— KT Corporation · SEC 20-F annual report · filed 25 Jun 2003
SEC 20-F annual report ↗

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About these figures

Every figure here was publicly disclosed by the named company: press releases, annual reports, SEC filings, earnings calls and news coverage. Companies tend to publish their NPS when it is good, so these numbers run higher than a true industry average: read them as what leading companies in this vertical say publicly, not as an industry benchmark.

NPS runs from −100 to +100. Retention figures are reported as the company defines them (net revenue retention, gross revenue retention, customer retention rate, churn). Every entry links to its source in the full database.