How many years of comparable data are there for Bulgaria and Korea?

13 years are reported by both, from 2008 to 2023.

Where does this data come from?

UNESCO Institute for Statistics, published as Proportion of youth and adults that made calls (telephoning over the Internet/VoIP, using Skype, Whatsapp, Viber, iTalk, etc.; includes video calls via webcam), 25-74 years old, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Bulgaria vs Korea: Proportion of youth and adults that made calls (telephoning over the)

Bulgaria

0.9868 GPIA

in 2023

Korea

0.9925 GPIA

in 2023

Bulgaria rank

42nd

Korea rank

39th

Proportion of youth and adults that made calls (telephoning over the) over time

Bulgaria
Korea

How they compare

Korea currently reports 0.9925 GPIA against 0.9868 GPIA in Bulgaria, a difference of 0.0057 GPIA.

The two have swapped places 5 times across 13 shared years of data; in 2008 it was Bulgaria ahead.

Bulgaria ranks 42nd and Korea ranks 39th of 55 countries.

Across the 3 decades both report, Bulgaria averaged higher in 1 and Korea in 2.

Head to head by decade

Decade	Bulgaria	Korea	Difference	Ahead
2000s	0.8813 GPIA	0.8956 GPIA	0.0143 GPIA	Korea
2010s	0.9669 GPIA	0.951 GPIA	0.0158 GPIA	Bulgaria
2020s	0.993 GPIA	1 GPIA	0.0071 GPIA	Korea

Averages of every year both report within each decade.

Frequently asked questions

Which has higher proportion of youth and adults that made calls (telephoning over the), Bulgaria or Korea?: Korea, at 0.9925 GPIA against 0.9868 GPIA in Bulgaria as of 2023.
What is the difference in proportion of youth and adults that made calls (telephoning over the) between Bulgaria and Korea?: 0.0057 GPIA, with Korea ahead.
How many years of comparable data are there for Bulgaria and Korea?: 13 years are reported by both, from 2008 to 2023.
How do Bulgaria and Korea rank globally for proportion of youth and adults that made calls (telephoning over the)?: Bulgaria ranks 42nd and Korea ranks 39th of 55 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Proportion of youth and adults that made calls (telephoning over the Internet/VoIP, using Skype, Whatsapp, Viber, iTalk, etc.; includes video calls via webcam), 25-74 years old, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Bulgaria vs Korea: Proportion of youth and adults that made calls (telephoning over the). Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 13 September 2026, from https://education.statizoid.com/compare/proportion-of-youth-and-adults-that-made-calls-telephoning-over-the-internet-voip-using-12/bulgaria/korea-rep/

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<a href="https://education.statizoid.com/compare/proportion-of-youth-and-adults-that-made-calls-telephoning-over-the-internet-voip-using-12/bulgaria/korea-rep/">Bulgaria vs Korea: Proportion of youth and adults that made calls (telephoning over the)</a> — Statizoid

About this data

Indicator: Proportion of youth and adults that made calls (telephoning over the Internet/VoIP, using Skype, Whatsapp, Viber, iTalk, etc.; includes video calls via webcam), 25-74 years old, adjusted gender parity index (GPIA)
Unit: GPIA
Source: UNESCO Institute for Statistics
Licence: CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage: 55 places, 719 data points, 2002–2024
Last refreshed: 06 September 2026

February 2026 Data Release