The Britain-based Syrian Observatory for Human Rights said it had documented the deaths of 230,618 people.
The toll includes 69,494 civilians, among them 11,493 children and 7,371 women.
Combatants account for a majority of those killed, with 49,106 regime forces and 36,464 government loyalists among the dead.
The loyalist fighters killed were mostly members of local militias, but also included 838 from Lebanon's powerful Shiite movement Hezbollah and 3,093 Shiite fighters from other countries.
The Observatory documented the deaths of 41,116 rebels, Syrian jihadists and Kurdish fighters.
Abdel Rahman said another 3,191 of those documented killed in the conflict remained unidentified.
The Britain-based Observatory relies on a broad network of activists, fighters, and medics across the war-ravaged country.
May was the bloodiest month of 2015 in Syria, with 6,657 killed -- the majority of them regime forces and jihadist fighters locked in fierce clashes on several fronts.
The Observatory's toll does not include some 20,000 people who have disappeared after being arrested, 9,000 people in government detention, and at least 4,000 people held by the Islamic State jihadist group.
As a result, the Observatory estimates that the conflict's actual death toll is likely tens of thousands higher than its figure.
You’ve reached your limit of {{free_limit}} free articles this month.
Subscribe now for unlimited access.
Already subscribed? Log in
Subscribe to read the full story →
Smart Quarterly
₹900
3 Months
₹300/Month
Smart Essential
₹2,700
1 Year
₹225/Month
Super Saver
₹3,900
2 Years
₹162/Month
Renews automatically, cancel anytime
Here’s what’s included in our digital subscription plans
Exclusive premium stories online
Over 30 premium stories daily, handpicked by our editors


Complimentary Access to The New York Times
News, Games, Cooking, Audio, Wirecutter & The Athletic
Business Standard Epaper
Digital replica of our daily newspaper — with options to read, save, and share


Curated Newsletters
Insights on markets, finance, politics, tech, and more delivered to your inbox
Market Analysis & Investment Insights
In-depth market analysis & insights with access to The Smart Investor


Archives
Repository of articles and publications dating back to 1997
Ad-free Reading
Uninterrupted reading experience with no advertisements


Seamless Access Across All Devices
Access Business Standard across devices — mobile, tablet, or PC, via web or app
