The weekend's biggest new opening, meanwhile, came from Fox's 27 Dresses, which went straight to the top in the UK with an estimated $3.7m.
Playing on 5,743 screens in its third weekend and looking to make the most of the continuing Easter school holiday, Fox International's Horton saw its international total climb to nearly $77m. It opened in three smaller territories at the weekend - landing at number one in Taiwan with $389,185 from 142 screens - but lost nearly 1,000 screens overall and had a 48% drop in gross from last weekend.
In second-weekend markets, the animated Dr Seuss tale took $2m from 502 screens in the UK, for a territory total to date of $10.8m, and a chart-topping $1.4m from 362 screens in Australia, for a territory total of $5.4m.
In third-weekend runs, Horton managed $1.6m from 822 screens in Germany, for a market total of $10.9m, and $1.1m from 545 screens in Russia, for a local total of $7.2m.
10,000 BC, from Warner Bros Pictures International (WBPI), had no new openings and took its total from 6,500 prints (750 fewer than last weekend). The overall gross was down 56% in the film's fourth weekend and the international total climbed to $142.5m.
The prehistoric adventure's best individual market was the UK, which produced a third-weekend gross of $953,000, for a territory total to date of $10.1m.
The Spiderwick Chronicles, from Paramount Pictures International (PPI), grossed an estimated $8.1m from 3,446 locations across 52 territories, bringing its international total to $48.1m.
The largest contribution came from the UK, where the family fantasy was down only 32% in its second weekend to $2.6m from 452 locations, for a local total to date of $11.3m.
Step Up 2 The Streets had another strong weekend, with distributor Summit International reporting an estimated $7m from 1,749 playdates in 27 markets, for an international running total of $51.7m.
Included in the total was $4.7m from 618 dates in four of the territories for which the film was acquired by Universal. The studio reported a $2.7m gross from 350 dates in the UK, for a territory total so far of $11.2m (exceeding the lifetime UK gross for the original Step Up).
For Australia Universal reported a gross of $1.3m from 180 dates, for an 11-day total of $4.8m (approaching the original's lifetime total).
The strong UK debut for 27 Dresses came from 430 screens and contributed to a weekend gross of $6.1m from 2,481 screens in 21 markets. That pushed the film's international total to date to $58.8m (including takes from non-Fox territories).
Fox International also reported strong openings for Jumper, which took an estimated $5.3 from 1,886 screens in 34 markets over the weekend, for an international total so far of $118.3m.
The effects adventure opened at number one in Mexico with nearly $2m from 591 screens and top in Brazil with $1.1m from 211 screens.
Fox's Meet The Spartans opened well in Spain, beating all comers with $3m from 316 screens. Overall, the spoof took $4.7m from 918 screens in 16 markets for a running international total of $31.9m.
Fox also reported a $2.8m weekend gross from 338 screens in 15 markets for Juno (international total $58.8m) and $1.2m from 250 screens in one territory for La Misma Luna (international total $3.8m).
Sony Pictures Releasing International (SPRI) reported a weekend gross of $4.9m from 2,305 screens in 47 markets for Vantage Point (international total $61.2m) and $1.3m from 1,500 screens in 36 markets for The Water Horse: Legend of the Deep (international total $56.2m).
The Game Plan opened well for Walt Disney Studios Motion Pictures International (WDSMPI) in Germany, topping the local chart with $2.3m from 403 screens, and in Spain, taking $1.3m from 246 locations. Overall, the comedy added $4.8m from 1,153 screens in 12 territories for an international total of $38.7m.
WDSMPI's Enchanted was number one for a third straight week in Japan, taking an estimated $2.1m from 529 screens, for a territory total so far of $16.9m. The rom-com's international total climbed to $201.8m.
Disney reported a $1.1m weekend gross, from 611 screens in 42 territories, for There Will Be Blood (international total $31.7m).
PPI said Drillbit Taylor grossed an estimated $2.6m from 821 locations across six territories for an international total of $5.9m. The Owen Wilson comedy opened in the UK with $1.4m from 302 screens.
PPI's No Country for Old Men grossed $2m from 1,141 locations across 53 territories, giving the Oscar-winner an international total of $78.3m.
Universal reported a weekend take of $2.6m from 812 dates in 14 territories for The Other Boleyn Girl (international total $24.5m), which the studio acquired for 16 markets. The historical drama's top market was Korea, where it grossed an estimated $1m from 110 dates, off just 18% in its second weekend for an 11-day total of $2.7m.
Universal's Definitely, Maybe grossed $1.1m from 400 dates in 12 territories for an international total of $12.6m. The rom-com opened in Germany with $800,000 from 241 dates.
The studio's We Own The Night took $7m from the six territories acquired by Universal, opening in Spain with $1.3m from 223 dates. International total for Universal territories stands at $7m.