Consumer spending during the month of August rose by 0.8% despite there being 55,000 fewer transactions, according to a new figures from AIB.
The figures indicate that inflation is influencing our purchasing decisions.
The 25-34 and 35-44 year old age brackets account for a combined 47% of total spend in August.
The figures show these age groups have seen a reduction in the total amount spent month-on-month, with drops of 1.5% and 0.3%, respectively.
All other age groups have seen their total month-on-month spend increase, with the 18-24 and the over 65 age groups seeing the largest increases of 2.6% and 2.4%, respectively.
Consumers aged 65 and over made their biggest spend on airline travel, up 17% and hotels, up 14% compared to July.
Among all age groups, spending in pubs and off-licences fell the most, with an 8% drop compared to the previous month.
Spending fell by 3% on clothing, groceries and homeware, while slight decreases were also seen in airline travel and restaurants.
The figures show that consumers spent more on electronics, health and beauty, hotels and hardware.
The data was compiled from over one million AIB card transactions by Irish consumers during the month of August.