After a century of constant decline, the number of wild tigers is on the rise.

According to a 2016 report, the tiger population, estimated to be 3,200 six years ago, has grown 22%.

With tiger populations in India, Russia, Nepal, and Bhutan on the rise, there are now 3,890 existing in the wild.

"This is a pivotal step in the recovery of one of the world's most endangered and iconic species," said Ginette Hemley, senior vice president of wildlife conservation at WWF. "Together with governments, local communities, philanthropists, and other NGOs, we've begun to reverse the trend in the century-long decline of tigers."

Governments in countries that contain tiger populations came together in 2010 to pledge their cooperation in reaching a goal of doubling the wild cat numbers by 2022—the next Chinese Year of the Tiger.

More than 700 tiger experts, scientists, managers, donors and other stakeholders gathered in April to discuss issues related to tiger conservation and they warned the world not to get complacent.

"A strong action plan for the next six years is vital," said Michael Baltzer, Leader of WWF Tx2 Tiger Initiative. "The global decline has been halted, but Southeast Asia, in particular, is at imminent risk of losing its tigers if governments do not take action immediately."

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