Immigration was a major factor when it came to the Brexit vote in the UK and has played a big role in election campaigning, with parties keen to appeal to voters.
But there are concerns from business leaders and EU citizens living in the UK about a cliff-edge change in migration rules.
However, some Brexiteers have long claimed leaving the European Union will allow the UK to be fairer to migrants from outside the EU.
Correspondent Natalie Powell reports from London.
IN: The two frontrunners
OUT: SOC
DUR: 2:45
SCRIPT
The two frontrunners in this election - the UK's Conservative and Labour parties - have promised to bring down immigration numbers in a bid to win over voters.
But it's current Prime Minister Theresa May's Conservatives who have been most vocal,
With Mrs May saying, if re-elected, they would aim to reduce net migration to under 100 thousand by 2022.
<<SOT : THERESA MAY, BRITISH PRIME MINISTER>>
"On the immigration issue, I think that it is right that we want to bring net migration down to sustainable levels and we say those are in the tens of thousands because of the impact that the uncontrolled migration has on people, particularly at the lower end of the income scale, because it can hold down people's wages, it can mean a displacement of jobs and also it puts pressure on public services."
But businesses who are reliant on low-skilled EU workers worry about a labour shortage.
That's a gap it might not be easy to fill domestically… Or with the more welcoming policy for immigrants from Commonwealth countries that has been suggested by Brexiteers
AS Adam Williams, and Immigration lawyer with DMH Stallard explains
<<SOT: ADAM WILLIAMS, IMMIGRATION LAWYER, DMH STALLARD>>
If there's a hard Brexit and the tap is effectively turned off - which I don't think will happen - what are you going to do? Well are you going to start working now on finding apprenticeship schemes that work for you, looking at the domestic labour force and trying to convince people into those jobs, or are you going to try to find another way to bring those people in from outside of Europe or using other systems, the problem with that is the UK's point based system is not really geared to low skills.
For others, particularly those in the restaurant industry, they're upbeat about the prospect it may open up more opportunities to skilled workers from outside the EU.
Fah Sundravorakul is the co founder of yama-goya a global chain of Japanese restaurants. Who says currently they have to train staff by sending them to Japan, or have members of staff come to the UK for training-only, but they're unable to work under current rules.
<<SOT: FAH SUNDRAVORAKUL, CO-FOUNDER, YAMAGOYA>>
"I think hopefully that will help us of course, because then we don't need to send people over there to fully train. Because normally.. in other countries especially in Asia, what they do send a team to work in the kitchen for the first few weeks to make sure everything is spot on but because of the regulations here we have to do this differently, but in the future if we are able to invite people form Japan to work for us legally that would be much more helpful."
Just as it was in the Brexit referendum, immigration is also a key battleground in this vote too, the parties have already set out in their manifestos their vision.
But it' now up to the country to decide what kind of Britain they want too ee over the next five years.
SOC