The ECB left its benchmark rate at 1 per cent, though it is expected to lower borrowing costs by a further 25 basis points to 0.75 per cent by the end of the first quarter, while the Bank of England will keep its main rate at 0.5 per cent, according to economists forecast complied by Bloomberg.
The kiwi weakened against the US dollar after figures showed American retail sales increased 0.1 per cent in December, falling short of the 0.3 per cent gain forecast in a Bloomberg survey of economists, confirming a slowdown in consumer spending for the start of 2012 in the world's biggest economy.
The currency also fell after the ANZ Commodity Price Index, released yesterday, showed prices for the nation's export commodities fell 0.8 per cent in December
In New Zealand, the only economic figures today may be the Real Estate Institute's monthly property sales data.
The kiwi was down 76.8 Australian cents from 77.20 yesterday, it traded at 51.75 British pence from 51.91 pence and 60.89 yen from 61.14 yen.
The trade-weighted index fell to 70.91 from 71.34.