There are a number of factors which impact premium levels and profitability within the reinsurance market.

Catastrophic events, natural disasters such as hurricanes, earthquakes, or floods, have a significant impact on the reinsurance market by increasing claims payouts, as well as driving up demand for reinsurance as a result of primary I insurers looking to protect themselves from further future losses.

For example, the 2023 global insured losses from natural catastrophes exceeded $100 billion, which significantly boosted reinsurance premiums during 2024.

Climate change. The increasing frequency and severity of extreme weather events is reshaping risk models and increasing demand for catastrophe reinsurance.

Economic inflation, inflation impacts claims costs since higher inflation leads to higher repair costs, particularly in property and casualty lines.

As a result, higher inflation tends to lead to higher reinsurance premiums.

Cyber risks. The growing threat of cyber attacks has created a new niche in the reinsurance market with premiums for cyber reinsurance rising sharply.

And finally, regulation changes.

Regulation changes such as solvency two in Europe and risk-based capital RBC requirements in the US have had the effect of encouraging insurers to purchase more reinsurance to reduce risk, to enable them to move effectively to meet capital adequacy standards.