In 2024, Catanduanes recorded 3,559 live births, and of these, 2,257 babies, or 64.1 percent, were born out of wedlock — that is, outside of marriage — according to the Philippine Statistics Authority.
Figures for 2025 are not yet available.
High percentages of illegitimate births are not an isolated phenomenon here in Catanduanes. More than half of all babies born nationwide are delivered outside of marriage.
For example, the PSA reports that 58.1 percent of all registered live births in 2022 nationwide occurred out of wedlock. The figure was 58.2 percent in 2023.
This phenomenon is viewed by sociologists as a major demographic shift in the Philippines: From their perspective, the data reflect profound changes in social norms, economic pressures, and family structures.
This pattern is especially striking in a country described as Asia’s most Catholic. Official Catholic teaching holds that sexual activity and childbearing belong only within the bounds of marriage. Church doctrine emphasizes chastity before marriage.
Curiously, according to several world rankings, the three nations with the highest percentage of births outside of marriage are also strongly Catholic — Chile, with roughly 75 percent; Costa Rica, with about 73 percent; and Mexico, around 70 percent.
Nations with the lowest rankings are Japan, with about 2–3 percent; South Korea, around 3 percent; and Turkey, also close to 3 percent.
A word of caution: As sociologists often say, correlation does not mean causation — meaning that Catholic culture may not be the cause of illegitimate births, but there might be a third factor at play.
Even as its rates of out-of-wedlock births are high by regional Asian standards, the Philippines is definitely not alone. Births outside of marriage are commonplace in many parts of the world, but the pattern is not uniform.
For example, the average share of children born outside of marriage across most developed countries was about 43 percent, with France and Denmark exceeding 50 percent, according to recent data.
By contrast, East Asian societies generally have comparatively low non-marital birth rates — often under 5 percent — reportedly due to strong social pressures to marry before having children.
Even within the Philippines, the trend is not uniformly distributed. Highly urbanized and densely populated regions such as Calabarzon, the National Capital Region, and Central Luzon consistently register higher percentages of births outside of marriage as compared to rural provinces.
The lowest rates of illegitimate births in the country are found in the Bangsamoro Autonomous Region in Muslim Mindanao, the BARMM, where they are less than 10 percent, according to the PSA.
Mothers aged 20–24 accounted for the largest share of illegitimate births in 2022, followed by mothers aged 25–29. Births to mothers under age 15 were overwhelmingly outside marriage — 95.1 percent of births to girls under 15 were illegitimate.
Looking back, this trend did not emerge overnight. In 2012, only about 45.7 percent of births nationwide were out of wedlock. By 2021, that figure had climbed to over 57 percent.
Several interlinked factors explain why illegitimate births have risen.
More Filipinos these days choose to live together without formalizing their relationship through marriage. Data show that the percentage of women in live-in relationships increased from 5.2 percent in 1993 to 18.8 percent in 2022.
Also, the rising cost of weddings and financial instability discourage couples from marrying before starting a family.
Furthermore, gaps in comprehensive sex education and barriers to affordable contraception contribute to unintended pregnancies — especially among youth. Family planning advocates note that Filipinos often receive inaccurate or insufficient information about reproductive health.
Meanwhile, attitudes toward premarital sex and cohabitation have become more permissive among younger generations.
Furthermore, the Philippines does not recognize divorce and has restrictions on reproductive health services, which shape family planning decisions differently than in countries with more liberal policies.
A related issue is how law and government policies classify and treat children born outside marriage. Under current Philippine law, these children are technically termed “illegitimate,” a designation with implications for inheritance rights and legal status.
Children born outside of marriage often face legal and bureaucratic hurdles related to inheritance, documentation of citizenship, and access to services.
If parents marry after an illegitimate birth, then the child’s illegitimacy status can be reversed through complex civil proceedings.
The social implications of rising illegitimate births are complex and often contested.
Children raised by single parents, usually the mothers, are more likely to experience economic hardship due to low wages, childcare costs, and limited support systems. (See “Interrupted Futures”, Catanduanes Tribune, Oct. 22, 2025.)
Teen and adolescent mothers face higher dropout rates from school, which restrict employment opportunities and perpetuate cycles of poverty.
While acceptance of non-marital births is growing, stigmatization persists, especially in conservative communities where family structures outside marriage are frowned upon.
Meanwhile, there’s a public conversation underway about how to respond. Advocates stress the need for comprehensive sex education, access to reproductive health services, stronger social support for single-parent families, and policies to reduce economic inequality.
Bryce McIntyre, PhD, resides in San Andres. He holds a doctoral degree from Stanford University, Palo Alto, California, USA. ChatGPT was employed in research for this article.