About 70.8% of Kirkland Lake shareholders submitted votes, with 80.6% of those voting in favour.
Kirkland Lake shareholders will receive 0.79 of an Agnico share for every Kirkland Lake share held.
Agnico Eagle shareholders approved the issuance of shares in connection with merger.
"Through the merger, we will establish a new leader in the gold industry, with superior performance, significant financial strength, an extensive pipeline of development and exploration projects to support sustainable, low-risk growth and leadership in key areas of environmental, social and governance," Kirkland Lake president and CEO Tony Makuch said..
"We look forward to completing the merger, following receipt of final regulatory approvals, and to moving ahead as the new Agnico Eagle.
"We believe this will be a company positioned to generate superior long-term returns for shareholders going forward.
"To our shareholders, thank you for your support; we know it is important to demonstrate the value we can create with Agnico Eagle and are anxious to get started!"
The merger is expected to be completed during the first quarter of 2022, subject to approval by the Ontario Superior Court of Justice and the Australian Foreign Investment Review Board.
On closing, Agnico will become the world's third-largest gold miner by market capitalisation and production with expected production of about 3.5 million ounces from 11 mines across four countries, projected to grow organically to 3.6Moz in 2023.
