A debut single from a band nobody outside the UK had heard of entered the Official Singles Chart at number three, then did something almost no first release manages: it got bigger the following week instead of fading. Wannabe was released on July 8, 1996, climbed to number one seven days later, and then refused to budge for seven consecutive weeks — a run so dominant that three decades on, it remains one of the longest chart-topping stretches any all-female act has ever managed in Britain.

Second place to a very specific record

Only one all-female act has ever held UK’s number one spot longer than the Spice Girls did with Wannabe: Shakespears Sister, whose 1992 single “Stay” spent eight consecutive weeks at number one, according to the Official Charts Company’s own accounting of the longest-reigning number ones by female acts. That makes Wannabe’s seven-week run the second-longest of its kind in the chart’s near-70-year history — and the list of acts who’ve even managed seven or more weeks at the top is remarkably short: just twelve female acts total, spanning everyone from Doris Day to Olivia Newton-John.

What makes Wannabe’s placement on that list notable isn’t just the length of the run — it’s that a completely unknown act pulled it off on a debut single. “Stay” arrived from an act that had already built a fanbase over several prior singles. Wannabe arrived from a group nobody had heard sing a note in public before that July.

The numbers behind the seven weeks

The commercial tail on Wannabe has kept extending well past its original chart run. Official Charts Company figures put the single’s cumulative UK chart units at nearly 3 million, made up of roughly 1.2 million physical single sales from the 1990s plus more than 199 million official streams accumulated in the decades since — a level of ongoing listenership that most 1990s singles, hits included, never come close to replicating in the streaming era.

Wannabe wasn’t a one-off, either. It launched a run that made the Spice Girls the most successful girl group in UK chart history by one very specific measure: nine UK number-one singles between 1996 and 2000, the most any girl group has ever notched on the Official Singles Chart.

Thirty years, one record still standing

What’s genuinely rare about Wannabe’s chart run is how little competition it’s had since. No all-female act has knocked Shakespears Sister off the top spot for the longest reign, and none has topped the Spice Girls’ seven weeks either — not Girls Aloud, not the Sugababes, not any of the girl groups that followed in Wannabe’s commercial wake over the following three decades. “Zig-a-zig-ah” turned out to be a genuinely hard bar to clear, and thirty years on, it’s still standing exactly where it landed in the summer of 1996.