Why teaching money at home is as urgent as teaching reading
Imagine a child who reaches 18 without ever learning to add or subtract. It seems absurd, doesn’t it? Yet millions of young Brazilians reach adulthood without knowing what compound interest is, how a credit card works, or why regular savings makes a difference over time. According to data from the National Research on Consumer Debt and Default (Peic) by CNC, Brazilian family debt remains at elevated levels — and much of this problem is rooted in the lack of financial education from an early age.
The good news is that it has never been more accessible to start this conversation at home. You don’t need to be an economist, have millionaire investments, or master complex spreadsheets. What research shows, repeatedly, is that the family environment is where the first — and most lasting — money habits are formed. The child who sees parents planning the budget, discussing prices at the supermarket, or setting aside part of their allowance to save learns more than any formal lesson could teach.
This article is a practical guide for parents and guardians who want to start now, without complications and without needing to be specialists. We’ll go through each stage of child and adolescent development with concrete suggestions, show which tools and financial products can help — with their advantages and limitations — and ensure you leave here with clear steps to implement this week.
The foundation of everything: the example that comes from home
Before any tool, app, or bank account, there’s something more powerful: your daily behavior. Children observe much more than we imagine. When you say “we don’t have money for that” without any explanation, the child learns that money is a forbidden, mysterious subject and a source of anxiety. When you explain “that’s not in our monthly plan, but we can think about saving to buy it later,” you teach planning, delayed gratification, and healthy communication about finances.
Some simple behaviors that communicate a lot:
- Pay bills with the child nearby and explain what they are (water, electricity, internet)
- Use the supermarket as a classroom: compare prices, calculate the best cost-benefit ratio per kilogram
- Talk openly about financial choices: “we decided to have simpler vacation this year to not compromise our emergency fund”
- Avoid visible contradictions: talking about savings and using your card without criteria sends a confusing message
You don’t need to expose detailed numbers of your income or debts. But creating an atmosphere where money is a normal, conversable, and manageable subject is the first and most important step.
By age: how to adapt financial learning
Financial education is not one-size-fits-all. What works for a 6-year-old is different from what engages a 15-year-old. See an age-group roadmap:
Ages 4 to 7: the concept of exchange and choice
At this stage, the goal is simple: understanding that money is finite and that choosing one thing means giving up another. Use physical coins (even if they seem outdated), piggy banks, and “store” games. Questions like “would you rather buy the ice cream now or save for the toy you want?” teach more than any theoretical explanation.
Ages 8 to 12: allowance and responsibility
Here comes the allowance, one of the most studied and recommended tools by child development specialists. The allowance is not a reward for tasks (this confuses the child’s relationship with household obligations), but rather a regular amount so they learn to manage their own resources.
There is no “right” allowance amount — it depends on each family’s reality. What matters is that it’s consistent, predictable, and sufficient to cover some real expenses of the child (extra snack, a stationery item, a small game). Let them make mistakes: spending everything right away and running out of money by week’s end is a valuable and inexpensive lesson at this age.
Ages 13 to 17: budget, goals, and first investments
The teenager can now understand more abstract concepts. It’s time to introduce:
- Simple budgeting: how much comes in, how much goes out, what’s left over
- Medium-term goals: saving money for 3 or 6 months to buy something specific
- Notion of interest: show how a credit card debt grows and how an investment grows over time (without promising specific returns)
- First digital accounts aimed at young people (see the section below)
From age 18: real autonomy
Real independent financial life begins here. Tax Return Declaration (when applicable), checking account, Direct Treasury, private pension — all this becomes real territory. The better prepared the young person arrives at this phase, the smoother the transition will be.
Tools and products that can help (with eyes open to the risks)
The Brazilian financial market today offers some options designed for young people and children. It’s important to know them with balance — advantages and limitations.
| Tool | Advantages | Points of attention |
|---|---|---|
| Digital accounts for minors | Parental control, no fees, prepaid card | Requires guardian registration; not all have direct FGC protection |
| Savings account | Simplicity, liquidity, FGC protection up to R$ 250,000 per CPF/institution | Historically below inflation returns in many periods; check current yield on Central Bank website |
| Direct Treasury | Accessible from R$ 30, variety of securities, transparency | Mark-to-market can generate losses if redeemed before maturity; check National Treasury website for current rates |
| Bank CDB | Can exceed savings; FGC protection | Liquidity varies; compare rates (% of CDI) before investing |
| Physical cash allowance | Tangible, educational for younger children | No returns; risk of loss or theft |
> Attention: any investment involves some level of risk. Yield rates, such as Selic and CDI, change periodically by decision of the Monetary Policy Committee (Copom). Before any investment, check current rates directly on the Central Bank website (bcb.gov.br) or National Treasury (tesourodireto.gov.br).
How to open an account or investment for a minor
In Brazil, minors under 18 are legally considered incapable (until age 16) or relatively capable (from 16 to 17), which means any financial contract requires participation of a legal guardian.
In practice, the process usually follows these steps:
- The guardian attends (in person or via app, depending on the institution) with their documents and the child’s or adolescent’s
- The account or investment is opened in the minor’s name, with the guardian as legal representative
- Significant transactions may require guardian authorization
- Upon turning 18, the young person can assume full ownership
For Direct Treasury specifically, the National Treasury allows the purchase of securities in minors’ names through legal representation — consult updated rules directly on the official portal, as procedures may be updated.
Difficult conversations: how to talk about money without creating anxiety
A common mistake is turning financial education into a source of pressure or guilt. Phrases like “we don’t have money for anything” or “you don’t appreciate what costs” can create a relationship of scarcity and fear around the topic. The goal is the opposite: autonomy and confidence.
Some practical guidance:
- Be honest without being alarmist: if the family goes through a tight time, explain calmly and in age-appropriate language
- Celebrate achievements: when the child manages to save money to buy something they wanted, acknowledge the effort
- Normalize mistakes: spending more than planned happens to adults too; what matters is learning and adjusting
- Use pop culture to your advantage: movies, series, and games often bring financial dilemmas that can become a starting point for conversation
To better structure your own family budget before teaching your children, check our article Organize your financial life with an annual plan — because the example, as we’ve seen, is the most powerful tool that exists.
Habits that make a difference in the long run
Consistency beats perfection. You don’t need an elaborate methodology — what matters is regularity. Some simple habits that, practiced over years, develop financially conscious adults:
- Review the allowance monthly and talk about what was spent
- Have a piggy bank or visual goal (progress chart on a sheet of paper) for medium-term objectives
- Include the teenager in planning a family expense (vacation, for example)
- Read together news about economics in accessible language and discuss what it means in daily life
- Create the habit of saving first and spending what’s left — not the other way around
This last point deserves emphasis: the concept of “pay yourself first” is one of the most robust pillars of financial education worldwide. Instead of waiting for money to be left over at month’s end to save, set aside a portion as soon as money comes in — even if it’s small. To deepen this habit, see Saving money every month starts with simple habits.
Conclusion: the best time to start is today
Financial education for children doesn’t require parent perfection. It requires presence, openness to conversation, and willingness to learn together. Each conversation about price, each allowance managed, each goal achieved is a brick that will build a solid foundation — that will last decades.
Start small. Start today. A conversation at the supermarket, a transparent piggy bank, a sincere question like “do you know what that deduction from the salary is for?” are already valid starting points. What matters is starting — and maintaining consistency over time.
This content is exclusively educational and informative in nature. It does not constitute investment recommendation, personalized financial advice, or indication of specific products. Each financial situation is unique. For investment decisions, financial planning, or tax matters, consult a licensed professional registered with the Securities Commission (CVM) or other competent regulatory bodies.
