Progress has revealed it paid 89.5% of critical illness (CI) claims in the first seven months of the year.
The ABI is highlighting the need for clients to fully disclose their medical history when taking out protection and health insurance.
Aegon has launched a website and guide aimed at helping customers understand the claims process.
Pioneer has hit out at providers who "change the goalposts" mid-claim while also joining the chorus of insurers urging all income protection (IP) claims approval rates to be published.
Aegon has released a new protection claims guide with the aim of reducing non-disclosure and helping advisers manage their clients' expectations.
Critical illness (CI) payouts are continuing to rise and non-disclosure rates are also improving, new figures show.
LV= paid 90% of claims across both critical illness (CI) and income protection (IP) last year.
Bright Grey has announced it paid 96% of life claims last year, an increase of 5% on the previous figures.
The provider, which is now five years old, paid out £7.5m in benefits to customers between 01/01/09 and 31/10/09.