Do I have to pay departure tax on British Airways?

Coming home on Saturday from Mexico, flying British Airways.. Do any regular B.A flyers know if I have to pay departure tax or is already included in my ticket price? I bought the ticket in February incase there is any recent law changes in departure tax.

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).