They said the claims would largely be absorbed through current-year earnings and reinsurance cover.
But the sector faced potential obstacles including growing natural hazard claims, the rising cost of reinsurance and claims inflation.
“Climate-related events such as storms and floods are increasing in New Zealand leading to higher natural hazard claims. The country has set a new record for natural hazard claims over each of the past three years, and 2023 will top each of these by some margin.”
The analysts said they expected reinsurance terms to continue to tighten and rise in 2023, straining margins.
“Insurers will increase premium rates and pass higher operating costs on to customers, but this is likely to be limited because affordability thresholds are down.”
Insurers may adjust their reinsurance programmes as a consequence and increase retentions to lessen rising costs.
They also warned that the average cost per claim was likely to increase because of higher labour and material expenses.
“Elevated demand in the construction industry due to rebuild and repair of homes will further fuel inflation in New Zealand.”
But the news was better for health and life insurers.
Profitability for life insurers was set to improve modestly over the next 12 months.
“Sound underwriting practices, scale efficiencies and premium-rate rises across all lines will drive the gains.”
The analysts also said increased insurer scale after five years of industry consolidation should add operational efficiencies.
However, the industry faced potential obstacles from an increase in policy lapses because of people being no longer being able to afford the insurance.
“Customers may also cancel or switch to lower cover amid less dire Covid sentiment.”
Meanwhile, the profitability of the health insurance sector was set to remain modest over the coming year with Southern Cross Healthcare - the largest player - likely to drive the industry’s profitability.
“Normalisation of claims frequency post-pandemic will depend on capacity in the healthcare system. Profitability will be supported by premium growth and higher investment earnings.”
The analysts said the main obstacles for the sector were prolonged claims inflation, slower premium growth and health reforms.
“Higher medical system inflation could escalate the cost of claims. While some insurers can negotiate contracts with hospitals and healthcare providers, contract renewals are likely to be more challenging in 2023, straining profitability.”
They also warned that some customers and employer group may switch to lower health insurance cover or cancel their cover to save money. “Additionally, penetration remains low in New Zealand due to various government schemes.”
Most New Zealanders relied on the public health system, they said. “While this lowers exposure for health insurers, it lessens the demand for private cover.”