Japan has been placed 110th in the World Economic Forum's global gender equality rankings for 2018, released Tuesday, up from 114th past year.
In the East Asia and Pacific region, New Zealand holds the top spot as the most gender equal country, placing 7th overall among the top 10 countries in the report.
The report looks at the relative gaps between women and men across health, education, economy and politics in 149 countries.
According to WEF, which has also projected current trends into the future, it'll take 108 years on average to close the gender gaps in the countries investigated.
Iceland took the top spot for the 10th year in a row, closing more than 85 percent of its overall gender gap, followed by Norway with 0.835 and Sweden with 0.822.
Japan's gender gap score in political empowerment remained the lowest among the four pillars at 125, worsening from last year's 123rd, and its ranking in economic participation and opportunity was 117th, falling from 114th in 2017.
Even the best performer in this subindex, Iceland, still exhibits a gap of 33 percent, while Bangladesh is among the six other countries that have closed at least 50 percent of their gap.
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The WEF surveyed men and women in 149 countries to compile the list.
It decried the particularly low participation of women within the artificial intelligence field, where they make up just 22 per cent of the workforce.
Only in the area of economic opportunity did the gender gap narrow somewhat, although there is not much to celebrate, with the global wage gap narrowing to almost 51 per cent. According to the report, Namibia's rise is partly due to an increased share of women in parliament. Its efficiency is also exponentially high for political empowerment, positioned at 13th in the global ranking.
Given the depth of the talent gender gap in AI, there is a clear need for proactive measures to prevent a deepening of the gender gap in other industries where AI skills are in increasing demand.
According to the report, four Muslim countries - Egypt, Saudi Arabia, Yemen, and Pakistan - are the four worst-performers in the world where the number of women holding managerial positions is the lowest. There is not a single country where women are paid as much as men.
"More than ever, societies can not afford to lose out on the skills, ideas and perspectives of half of humanity", said Klaus Schwab, executive chairman of the WEF. Yahoo Finance's Adam Shapiro and Julie Hyman discuss with Saadia Zahidi, managing director at the World Economic Forum.
"On the other end of the spectrum, nearly one-quarter of the countries assessed have closed less than 10 per cent of their gender gap, and the four worst-performing countries - Kuwait, Lebanon, Oman and Yemen - have yet to bridge over 97 per cent of their gap".