The Welsh language could be set to thrive over the long-term, according to projections of whether endangered languages will flourish or fail. New Zealand’s native language on the other hand is projected to become extinct.

More than half of the world’s estimated 7000 languages are expected to go extinct by 2100. But the Welsh language , spoken by about half a million people today, is expected to “thrive in the long term”, based on a model looking at how proficiency in languages changes over time.

By contrast, te reo …