The Short Answer
A G-string has the least fabric of any panty — a small front panel, string back, string sides. A tanga has substantially more fabric — a proper back panel (though smaller than a bikini brief) and high-cut but fabric-covered sides. They're in the same "reduced coverage" family but at opposite ends.
Construction Side by Side
| Feature | G-String | Tanga |
|---|---|---|
| Back | String / cord | Narrow fabric panel |
| Sides | String or very thin elastic | High-cut fabric |
| Front panel | Small | Standard to slightly reduced |
| Total fabric | Least of any panty style | Moderate — between thong and bikini |
| Comfort | You feel the string | Smooth, comfortable |
| Daily wear | Occasional / special occasion | All-day friendly |
The Coverage Spectrum
From least to most coverage:
G-string → Thong → Tanga → Brazilian → Cheeky → Bikini Brief → Hipster → Boyshort → Full Brief → High-Waist → Control Brief
The G-string and tanga are 4 steps apart on this spectrum — they're not neighbors, they're distant cousins.