Core Insights - Serious consumer-level mortgage delinquency rates have increased from 0.89% in Q2 2023 to 1.27% in Q2 2025, indicating a rising trend despite historically low levels [1] - The analysis by TransUnion highlights a direct correlation between payment-to-income (PTI) ratios and mortgage delinquency, suggesting that higher PTI ratios can signal increased risk of delinquency [1][3] Group 1: Mortgage Delinquency Trends - Mortgage delinquency rates have risen gradually, with 60+ days past due (DPD) rates increasing from 0.89% in Q2 2023 to 1.14% in Q2 2024 and further to 1.27% in Q2 2025 [1] - The study focused on nearly 57 million mortgage consumers who were current on their loans, providing a relevant sample for assessing emerging risk factors [2] Group 2: Payment-to-Income Ratios - A strong link was found between changes in PTI for non-mortgage products, such as credit cards, and subsequent increases in mortgage delinquency rates in the following year [3] - As PTI ratios for credit cards increased from 2.18 in March 2023 to 2.33 in December 2023, the 60+ DPD mortgage delinquency rates also rose from 0.42% to 0.63% in the same period [4] Group 3: Implications for Lenders - Mortgage lenders are encouraged to implement a proactive schedule for collecting consumers' cross-wallet credit data to gain early insights into emerging risks of mortgage delinquency [5] - Utilizing trended credit data can help lenders identify shifts in key attributes such as aggregate excess payment and debt-to-income ratios, allowing for timely interventions [6][7]