The race to succeed Boris Johnson as Mayor of London is into its final furlong – but you only have a few days left to register so you can help decide who that successor is.

May 5 is the big day, but if you aren’t registered by Monday next week you can’t have your say.

Below is everything you need to know about the battle to capture City Hall.

Why should I vote in the 2016 London Mayoral Election?

Voting means you have your say on who makes crucial decisions for almost nine million Londoners.

When is the election?

The London mayoral election is on Thursday May 5 2016.

Am I eligible to vote?

To vote in the London mayoral election you must be at least 18 years old and registered to vote in Greater London.

You must also be a British or Irish citizen, or a Commonwealth citizen or a citizen of another EU country.

Where do I register to vote in the London mayoral election?

You can register online in a few minutes at gov.uk/register-to-vote.

You can also register by post or by contacting your local electoral registration office.

You must be registered by April 18, 2016 or you won’t be able to vote.

How and where do I vote in the London mayoral election 2016?

There are three ways you can vote in the London mayoral and London Assembly elections: in person, by post or by proxy (someone voting on your behalf). A polling card will be sent to you telling you where your polling station is. You don’t need to take the poll card with you to vote.

What is the London mayoral election about?

The London mayor is the city’s figurehead. This election is about who represents the city and controls the mayor’s £17 billion budget. This money is used for London’s economy, to fund London’s transport system, police and fire services and to build homes.

Who can I vote for in the London mayoral election?

You can vote for a new London mayor and also for two London Assembly members.

Here is a list of all the candidates standing to be Mayor of London:

Zac Goldsmith - Conservative

Sadiq Khan - Labour

Caroline Pidgeon - Liberal Democrat

Sian Berry - Greeen Party

Paul Golding - Britain First

Lee Harris - Cannabis Is Safer Than Alcohol

Ankit Love - One Love Party

George Galloway - Respect

Sophie Walker - Women’s Equality Party

David Furness - British National Party

Prince Zylinski - Independent

Peter Whittle - Ukip

What is the London Assembly? What do London Assembly members do?

The London Assembly is a body of 25 elected and appointed people. Its members represent you at City Hall. They take up your concerns and make sure the Mayor is doing a good job for London. They play a vital role in deciding policy on matters such as policing, transport, housing, planning and the environment.

How does the mayoral election voting work?

You will be given three ballot papers; a pink one for the London Mayor, and one yellow and one orange for the London Assembly members.

On the pink ballot paper you can vote for your first choice and second choice candidates for London mayor.

On the yellow ballot paper you vote for your constituency London Assembly member to represent your local area.

On the orange paper you vote for a London-wide London Assembly member to represent all of London.