The number of homicides in 2018 so far have reached 118, equal to the number in the whole of 2017, according to Home Office figures.
This figure does not include the 13 victims of the terror attacks at Westminster Bridge, London Bridge and Finsbury Park.
The latest incident involved the death of a 35-year-old woman who suffered an abdominal wound at an address in Ilford, east London, on Monday.
A 50-year-old man was arrested on suspicion of murder.
The official Metropolitan Police tally of violent deaths this year is 120, but that figure includes two cases that are being treated as self-defence.
The remainder include 68 stabbings, 12 shootings and two deaths involving a knife and a gun.
A third of the cases (42) involved victims aged 16 to 24, while 20 were teenagers.
Among the victims aged 16 to 24, 30 were stabbed, nine were shot, two died in attacks involving a knife and a gun, and one died in a fall.
For the teenagers aged 15 to 19, six were shot and 14 were stabbed.
Levels of violent crime in the capital have remained a concern throughout the year, with monthly highs in February and March, when 18 homicides were recorded each month.
These were the second highest monthly totals recorded since April 2010.
The only higher peak was in June 2017 when there were 20, a figure that includes eight people killed in the London Bridge terror atrocity.
If this is excluded, the previous monthly peak was in April 2010 when there were 16.
In total, 111 homicides were recorded in 2016 and 122 in 2015 in the capital, according to Home Office data.
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Before this the number of police-recorded homicides in London had been falling, from 164 in 2007 to 91 in 2014.
Based on official figures for financial years, there was a peak in 2003/4 when there were 212, and then, apart from one rise in 2010/11, the total gradually decreased until 2017/18 when it rose by 36% to 146.
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