This question is asked so often it deserves its own note, and it is the sharpest test of the "state the fact, not the verdict" rule.
The fact about the text. Genesis 5 (Adam to Noah) and Genesis 11 (Noah to Abraham) give a chain of fathers with the age of each at his son's birth. Added up along the Hebrew (Masoretic) text and carried forward through the later Old Testament, they place creation only a few thousand years before Christ. Working from exactly these numbers, Archbishop James Ussher, in his Annals of the World (1650), famously calculated creation at 4004 BC, about 6,000 years ago; that reckoning is what sits in the margins of many old King James Bibles. So it is true, and traceable, to say: the Bible's Hebrew genealogies, added up, total roughly six thousand years, the basis of Ussher's 4004 BC.
Why that is not the whole story, every view beside it. (1) The manuscripts themselves disagree: the Greek Septuagint's genealogies give higher begetting-ages, yielding a total roughly 1,300–1,500 years longer (creation nearer 5500 BC), and the Samaritan Pentateuch differs again, so even "the biblical total" is not single. (2) Many scholars, and the 1915 ISBE article "Chronology of the Old Testament," note that biblical genealogies are often selective or schematic, "X begat Y" can skip generations (as some biblical genealogies demonstrably do), so the lists may not be a complete timeline at all. (3) Mainstream science dates the earth to about 4.5 billion years and humanity far older, on independent physical evidence. (4) Christians themselves divide: young-earth creationists take the genealogies as a near-complete chronology (a world thousands of years old); old-earth creationists (day-age, gap and related readings) accept the deep-time dating and read Genesis's "days" or framework accordingly; and those who hold evolutionary creation read the genealogies as theological, not scientific, history.
The guardrail. Bubble Bible states the fact about the text, the genealogies total ~6,000 years on the Hebrew reckoning, and lays every reading beside it; it does not assert that the earth is ~6,000 years old, which is a contested interpretation, not a fact about the text. Showing the receipts and every view is the whole point; declaring a winner here is exactly what would forfeit the reader's trust. (This note pairs with Genesis 5 and Genesis 11 in the text, and with a planned genealogy explorer + optional Ussher chronology overlay.)
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