Vietnam is putting real money behind “have more kids,” but the cash only starts after baby number two. Under the country’s new Population Law, women who have their second child before turning 35 are eligible for a minimum of VND 2 million (about $75.86) starting this month. The government is pledging VND 1.8 trillion ($68 million) a year in cash bonuses as it tries to reverse a fertility rate freefall, after Vietnam’s birthrate fell to a record low of 1.91 children per woman in 2024, below replacement level.

The rule that matters most is the one that traps the headline incentive in the fine print: applicants must already have one specifically living biological child at the time of the second birth, and they must be under 35. The government is effectively saying, “We will pay for the continuation step, not the first step.” That is a subtle but consequential design choice, because it changes how households time births and how employers anticipate workforce impact across cohorts.

To be clear, the cash is not only for women, even if women are the primary recipients. Men whose wives deliver a second baby qualify too, and families from ethnic minority groups and those living in areas with below-replacement fertility rates can also qualify. But some details remain unclear. The source notes it is unclear whether there is the same age stipulation for men. It is also unclear whether women receive the same perks for baby no. 3 or 4, which matters because many fertility decisions are not linear. Families often plan in “clusters,” so a policy that sharply rewards baby two may shift behavior at the margin, but not necessarily expand total births as intended.

Incentives are only half the story, and Vietnam appears to be pairing cash with time and care support. Other incentives launched under the new policy include expanded healthcare support. Mothers are entitled to seven months of maternity leave, up from six months, but the extension is specifically for their second child. Paternity leave has doubled to 10 working days. In other words, Vietnam is trying to reduce the two big friction points that push families away from having more children: direct costs and the productivity hit of time away from work.

If you are an executive, this is where you should pay attention. Even though this is a government population policy, the downstream effects look like an HR and workforce planning problem for companies. Policies that change fertility timing can change labor supply patterns, which can affect hiring pipelines, retention, and the expected duration and frequency of leave requests. The second-child targeting especially could concentrate maternity leave demand into particular age bands, and into particular life stages. That can be manageable for some firms, painful for others, and it is the kind of pattern that can show up as productivity variance rather than headline “talent” issues.

Vietnam’s move also sits inside a broader international scramble. The source connects the policy to a wider trend, citing business owners and governments around the world who want higher birth rates. It references France sending letters to 29-year-old women reminding them not to leave it “too late” before starting a family, and a South Korean construction company, Booyoung Group, handing out 100 million Korean won (around $66,000) each time an employee has a baby. Booyoung’s approach is even backdating payments to employees who started families before the policy came into place, which highlights a design question Vietnam is also implicitly facing: will incentives be trusted enough to change behavior now, or will they feel like paperwork after the fact?

The source also brings in Elon Musk as a signal that fertility is not just a public-sector concern. It notes Musk donated millions of dollars to fund research on fertility and has repeatedly warned that “ civilization is going to crumble ” if women do not have more children. But it also notes a tension: Musk, who is the father of 14, has pushed against policies that enable parents to juggle work and childcare responsibilities, such as working from home. That contrast is a reminder that fertility incentives can be ideological, operational, or both. Vietnam is choosing a more traditional lever set: direct payments, leave expansion, and healthcare support. Whether that combination changes outcomes will depend on how families evaluate the tradeoffs, not just on how governments market the program.

One more context point, because it explains why governments keep running toward this problem. The source cites a study quantifying what childbearing does to women over their careers. Using the U.S. Census Bureau’s Current Population Survey (CPS), the analysis found full-time working mothers with children under 18 earn around 31% less than their male counterparts. That gap translates to $1,400 less per month, $17,000 less per year, and around $500,000 less over the course of a 30-year career. While those numbers are from the U.S., the mechanism is portable: childcare costs, equipment, and the earnings hit from time off work. That is why cash bonuses and leave policy are paired globally. If the labor-market penalty is the real driver, a one-time payment might help, but only if it is large enough, timely enough, and paired with reduced disruption.

For boards and leadership teams in companies with Vietnam exposure, or in regions watching similar demographic policies, the strategic stake is clear: fertility incentives can rewire who has time to work, when, and for how long. Vietnam’s policy is not just “pro-baby.” It is a targeted, age-limited, second-child mechanism with cash and leave tied to specific life events. That design will shape behavior at the margins, concentrate leave use into certain windows, and force employers to think earlier about benefits, staffing, and long-term workforce planning. The government did not respond to Fortune’s request for comment, and some eligibility details remain unclear. But the direction is unambiguous: demographic policy is moving from speeches into spreadsheets, and the spreadsheets are reaching workplaces.