IPv6 Adoption Report 2026
By SpeedTestHQ Research · Updated June 16, 2026
The world ran out of fresh IPv4 addresses years ago, yet IPv6 has still not taken over. This report looks at where IPv6 adoption stands in 2026 — globally, by country, and across mobile versus fixed networks — and explains why the transition has been so slow and uneven.
Key findings
- Roughly half, not all. Global IPv6 capability sits in the mid-40% range and rises slowly each year — progress, but far from a finished transition.
- Mobile leads fixed. Mobile carriers deployed IPv6 aggressively to escape IPv4 scarcity, so phones are often IPv6 well before home broadband in the same country.
- Country gaps are huge. Leaders exceed 70% while many countries remain in single digits, driven by a few large ISPs rather than national averages.
- Dual-stack is the norm, not IPv6-only. Most IPv6 users still run both protocols; pure IPv6-only deployments remain rare outside specific mobile and data-center networks.
Where IPv6 adoption stands
| Measure | Approximate 2026 level | Notes |
|---|---|---|
| Global IPv6 capability | ~45% | Share of users who can reach IPv6 content; rising gradually |
| Leading countries | 60-75%+ | Driven by a few large dual-stack ISPs and mobile carriers |
| Mid-tier countries | 20-50% | Mixed ISP rollout, mobile usually ahead of fixed |
| Laggard countries | Under 10% | Heavy reliance on IPv4 and carrier-grade NAT |
| Mobile networks | Often higher | Many carriers default new devices to IPv6 |
| Fixed broadband | Often lower | Slower upgrades; some ISPs still IPv4-only |
Figures are approximate planning ranges synthesized from public IPv6 capability measurements and known deployment patterns; exact numbers shift continually and vary by source and date.
Why the transition is so slow
IPv6 has been ready for decades, and IPv4 addresses ran out at the regional registries years ago. The reason adoption still isn't universal is simple: IPv4 keeps working. Network Address Translation (NAT), and at the ISP scale carrier-grade NAT (CGNAT), let many users share a single public IPv4 address. That removed the hard deadline. Without a forced switch-off, networks upgrade only when IPv6 is cheaper or easier than stretching IPv4 further.
Adoption is therefore driven by economics and individual operator decisions, not a global flag day. A single large ISP turning on IPv6 can move a country's national percentage by double digits, which is why the map is so uneven.
Why mobile got there first
Mobile carriers faced IPv4 scarcity hardest — they add huge numbers of new devices constantly. Many adopted IPv6 (often IPv6-only with translation for legacy IPv4 services) years ago to avoid buying scarce, expensive IPv4 space. As a result, smartphone traffic is frequently IPv6 even in countries where home broadband still lags.
What it means for users
- Mostly invisible: dual-stack devices pick IPv6 when available and fall back to IPv4 automatically — you rarely notice which is in use.
- CGNAT side effects: staying on IPv4 often means CGNAT, which can complicate hosting servers, port forwarding, and some peer-to-peer apps. IPv6 can sidestep this.
- Not a speed upgrade by itself: IPv6 isn't inherently faster, though avoiding CGNAT can help latency and direct connections.
- Check your own status: see whether you have working IPv6 and how it differs from IPv4 in IPv4 vs IPv6.
Methodology
This report synthesizes public IPv6 capability measurements, regional registry allocation trends, and common ISP and mobile-carrier deployment patterns into a planning-level view of adoption. It is intended to explain the shape and drivers of IPv6 adoption rather than to publish a precise live percentage, which changes continually.
These figures are approximate ranges, not exact live statistics. IPv6 capability varies by country, ISP, network, device, and date, and different measurement sources report different numbers. For the precise current figure, consult live public IPv6 measurement dashboards.
Frequently Asked Questions
What percentage of the internet uses IPv6 in 2026?
Global IPv6 capability sits in the mid-40% range and continues to climb gradually. The figure varies widely by country — some lead at 70%+ while many remain in the single digits — so the global average hides large regional gaps.
Why is IPv6 adoption taking so long?
IPv4 still works thanks to NAT and carrier-grade NAT, so there is no hard switch-off date. Networks upgrade only when it is cheaper or easier than extending IPv4, which makes adoption gradual rather than sudden.
Is IPv6 faster than IPv4?
IPv6 is not inherently faster, but it often avoids carrier-grade NAT, which can reduce latency and improve peer-to-peer connections. Real-world speed depends far more on your connection and the route than on the IP version.