The United States has been identified as the most expensive country in the world for mobile data roaming, posing a significant financial risk for British football fans traveling to this year's World Cup. A comprehensive survey by Sky Mobile reveals that over half of Brits fear accumulating exorbitant phone bills due to data usage abroad.
Top Data Drainers Abroad
Sky Mobile's Data Roaming Index highlights common behaviors that lead to high charges. Forgetting to disable app notifications can result in bills of up to £20, while streaming a single film trailer may cost as much as £120. The most frequent 'data drainers' include online messaging and accidental WhatsApp downloads (56%), followed by map and navigation tools (52%) and search engines (48%). Additionally, 31% of users activate data to book restaurants, tours, or day trips, and a third prioritize social media posts despite potential costs.
Awareness Gap Among Travelers
The research indicates that two-thirds of travelers are unaware of data-saving techniques. Younger adults aged 25-34 are nearly twice as likely (48%) as those aged 55-64 (26%) to have faced unexpected roaming charges. Northern Ireland shows the lowest awareness, with over half (51%) rarely or never checking charges, compared to the UK average of 28%.
Costliest Countries for Roaming
After the USA, the most expensive roaming destinations are Thailand, Barbados, Turkey, Egypt, Indonesia, Australia, Mexico, South Africa, and Morocco. Simple tasks like using maps or checking emails can quickly become costly without a suitable plan.
Sky Mobile's Solution
Sky Mobile has expanded its Roaming Passport Plus from 55 to 120 destinations, including the EU/EEA, USA, and Australia, for £2 per day. Customers can use their UK data, calls, and texts without setup or surprise bills. Ben Case, Managing Director of Connectivity at Sky, stated: 'Over half of Brits are afraid to turn on roaming abroad due to potential charges - so Sky Mobile is making it simple.'
Top 10 Hidden Data Drainers
- Social media auto-play videos: 8–12 MB/min, 5 mins, potential cost £80–£150
- Streaming TV/clips: 15–20 MB/min, 2–3 mins, potential cost £60–£120
- Video calls: 5–7 MB/min, 3 mins, potential cost £30–£60
- Photo uploads (cloud): 2–5 MB/min, 5 mins, potential cost £20–£50
- Maps/navigation: 2–4 MB/min, 5 mins, potential cost £20–£40
- Music streaming: 1–2 MB/min, 10 mins, potential cost £20–£40
- Email & app notifications: 0.5–1 MB/min, 10 mins, potential cost £10–£20
- Web browsing: 0.5–1 MB/min, 5 mins, potential cost £5–£10
- Booking/travel apps: ~0.4 MB/min, 5 mins, potential cost £4–£8
- Translation apps: ~0.2 MB/min, 5 mins, potential cost £2–£5
Practical tips from Sky Mobile include downloading maps, playlists, and shows before traveling, enabling low data mode, and turning off automatic cloud syncing to avoid unexpected charges.



