Japan’s June core CPI was estimated at 2.7% year over year, unchanged from the previous month.

The June core-core CPI estimate was 2.0% year over year, compared with 2.1% in the prior reading.

In the Bank of Japan’s data set, core CPI still includes energy costs while excluding fresh food and institutional factors. Core-core CPI also excludes energy, making it the more important measure for assessing the underlying inflation outlook, especially as policymakers continue to look for evidence that price gains are being sustained beyond import and energy effects.

Against that backdrop, persistently elevated core prices are not surprising, particularly after the sharp rebound in March and April. Core CPI had eased from a peak of 3.0% in August last year to 2.2% in February this year, before rising again to 2.8% in April and then dipping slightly in May.

Core-core prices, meanwhile, have continued to slow from a peak of 3.6% in July last year. June’s 2.0% estimate extends that downtrend and marks the lowest reading since July 2024. That may complicate efforts by the BOJ to use inflation data as justification for further interest-rate increases, because it suggests the broader price trend remains softer than the headline core figure alone implies.

For now, the ongoing fallout from the Middle East conflict may continue to influence the narrative. Even so, the current inflation picture still reflects more cost-push pressure than the wage-driven inflation the BOJ wants to see.

The trimmed mean estimate showed price pressures remain present, with the reading at 1.6%. That was a modest increase from 1.5% in both April and May, but it only returned the measure to February and March levels. The estimate had stayed above 2% from January through November last year before falling back below that threshold and settling lower since then.

Overall, the latest figures do not appear to present a strong case for the BOJ to act urgently. For market participants and policymakers alike, the more relevant question is whether the next few readings show a clearer reacceleration in underlying inflation or confirm that June’s mix of stubborn and slowing measures is holding.