They have beaten Romania, which topped the charts for nearly a year. This should give you an idea about how low worldwide adoption of IPv6 is. According to Google Switzerland’s adoption stands at 10.11 percent – the highest for any country. Romania on the other hand has an adoption rate of 9.02 percent followed by France at 5.08 percent.
Meanwhile Cisco research also put Switzerland at the top with a deployment score of 89.78 percent as compared to Romania's score of 75.82 percent. The US came in at third, with the rest of the world dragging its feet badly, despite the fact that IP addresses are becoming rarer than a living breathing woolly mammoth.