The statistics indicate continued deflationary pressures, as evidenced by a two-year stagnation or fall in consumer prices.
The latest fall of 0.9% ensued after September saw an annual decrease of 0.8%.
However, this October saw a price rise of 0.1% compared to September.
The European Union's statistical office (Eurostat) on Monday released data indicating that Croatia was among EU countries with a negative inflation rate in October year-on-year.
Croatia's consumer prices measured by the Harmonised Index of Consumer Prices fell by 0.5% this October compared to October 2014.
"In October 2015, negative annual rates were observed in thirteen Member States. The lowest annual rates were registered in Cyprus (-1.8%), Romania (-1.4%), Bulgaria (-1.2%), Slovenia (-1.1%) and Spain (-0.9%). The highest annual rates were recorded in Malta (1.6%), Belgium (1.2%), Sweden (0.9%), Austria and Portugal (both 0.7%). Compared with September 2015, annual inflation fell in four Member States, remained stable in seven and rose in sixteen," Eurostat reported.
"Euro area annual inflation was 0.1% in October 2015, up from -0.1% in September. In October 2014 the rate was 0.4%. European Union annual inflation was 0.0% in October 2015, up from -0.1% in September. A year earlier the rate was 0.5%."