The traditional two-minute silence held to mark Armistice Day remains relevant to 85% of Britons, a survey suggests.
Poppies will be placed in the square to mark Armistice Day
More than half said all conflicts, past and present, would be on their minds during the event - observed every year since World War I.
The over-50s were said to be the most likely to think of people who had given their lives during the two world wars.
Almost 1,500 people were polled by You Gov for the Royal British Legion ahead of a Trafalgar Square event.
The organisation for former service personnel is holding a mass two-minute silence in the square on 11am on Saturday.
Remembrance Day events, which are observed at war memorials, cenotaphs and religious services throughout the UK on the second Sunday of November, will take place the following day.
The Royal British Legion's survey found those in the 30 to 50-year-old age group were the most likely to associate the silence with the cost of conflict.
Some 81% of the 18-29 year olds said this year's silence would be relevant to them.
"With so many British troops currently serving in Iraq and Afghanistan it is clear that young people in particular are aware of the cost of modern conflict, and understand the importance of taking time to reflect upon it," a Royal British Legion spokesman said.
"The Legion produces a schools pack every year which goes to over 50,000 schools, and this is obviously bearing fruit."
The Legion's Silence in the Square event, which will see poppies placed in the fountains at Trafalgar Square, will end with the traditional Reveille from a lone bugler and a RAF fly-past.