NHS Blood and Transplant surveys show more than 80pc of people support organ donation but only around 49pc of people have ever talked about it.
Last year, 457 people in the United Kingdom died while on the active transplant waiting list and a further 875 people were removed from the list, mainly due to ill health - many will have died shortly after being removed from that list.
The statistics reveal that 105 people from Essex and 39 from Suffolk have died while waiting for a transplant in the past decade.
Whereas in Wales, the NHS has an opt-out clause, where people inform the NHS Organ Donor Register if they do not want to donate.
More than 70% of families of the dead patients consent to organ donation, compared to only 5% two years ago, head of the Iranian Society of Organ Donation, Ali Nobakht said.
Speaking as Organ Donation Weeks gets underway, Mr Clarkson added: "A few words now can make an extraordinary difference".
It said that when families were left to make such a decision on their loved one's behalf, some decided it was safer to say no. Don't leave it too late to talk to your family. In Tyne and Wear there are more than 384,000 people on the NHS Organ Donor Register.
Letting your family know your organ donation decision will make it much easier for them to support what you want. It's also awful that people have to die for you to get a transplant.
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Research shows that women are 30 per cent more likely to start a conversation about organ donation than men.
Papworth was the first hospital in Europe to successfully transplant a non-beating heart, with Huseyin Ulucan, from London, the first to undergo the procedure in March 2015.
The parents of a child who died waiting for a heart transplant made a decision to donate her kidneys after their daughter's passing.
There are now 46 organ transplant centers in the country, which conducted over 4,500 organ transplant surgeries during the last Iranian year (ended in March).
Yet 12 people in the city have died while waiting for transplants since 2007.
"But she told me I don't care, I just want you better". But the transplant service wants to at least double that to give more desperately ill people the chance of a new life.
It's the start of a week of events to raise awareness of the importance of organ donation.
This year, the campaign is seeking to increase the number of registered organ donors in Yorkshire by 50,000 in just six months.
A total of 115 people in Yorkshire donated more than 300 organs after death in 2016/17 so others might receive a life-changing transplant. When doctors come to ask relatives it is such a traumatic situation that they can still say "no" because it was never discussed. Everyone should talk about it to their family and then there is no doubt.