TOKYO. A daughter, it turns out, may quietly rearrange her father’s politics. Research from Waseda University and the University of Macau, published in the journal Public Opinion Quarterly on June 12, finds that Japanese men whose first child is a girl go on to hold measurably more gender-equal political attitudes than men whose firstborn is a boy.
The method is the interesting part. Because a first child’s sex is close to a coin toss, the researchers treated it as a near-random event and followed its consequences through the Japanese General Social Surveys, a large-scale dataset on attitudes, behaviour and political views, modelled on the American General Social Survey and run continuously since 2000 from its research centre at the Osaka University of Commerce.
Across that data, fathers of firstborn girls were more likely to reject the traditional split of labour between breadwinner and homemaker, and more supportive of institutional reforms tied to gender equality. Two stood out. One is the right of married couples to keep separate surnames; Japanese law currently obliges a couple to share one name, a rule that has fuelled political argument for years. The other is a female-line emperor, where fathers of daughters again showed greater backing.
The effect has borders, though. The researchers found no comparable movement in broader political ideology, and none at all on attitudes toward immigration or security. Whatever a daughter shifts in her father’s outlook stays concentrated on questions of women’s rights and opportunities.
The paper, titled “Do Daughters Change Their Fathers? Evidence from the First-Daughter Effect in Japan.”, is by Daina Chiba, the lead author, who teaches government at the University of Macau as an associate professor, and Yoshikuni Ono of Waseda, a professor of political science and economics there who served as corresponding author. Waseda announced the findings on June 15. Studies in Western countries had already reported that fathers of daughters lean toward gender equality; results elsewhere had been far less consistent, which makes the Japanese finding the first clear confirmation of the pattern outside the West.
Analysts note the direction of causation is what gives the work value. Political socialisation is usually studied as a one-way street, parents stamping views onto children; here the traffic runs the other way too, with life inside the household reshaping a father’s politics. For a country still arguing over surnames and succession, the finding suggests family structure itself nudges the electorate, one firstborn at a time.
Sources
- Waseda study links first daughters to Japanese fathers' gender views | IBTimes JP
- A Japanese study found that fathers whose first child is a daughter tend to be more positive about gender equality. – GIGAZINE
