I think 1D will do better than Eminem (and deservingly so since their song is better and less homophobic than every song Eminem has served this era so far) although it really depends on the quality of the single with Rihanna.
1D rising in number of countries #1. Gaga Falling.
Look at all those relevant countries on their list
Story Of My Life
#1 United States
#1 United Kingdom
#1 Australia
#1 Bahrain
#1 Bolivia
#1 Brunei Darussalam
#1 Cambodia
#1 Cayman Islands
#1 Cyprus
#1 Dominican Republic
#1 Egypt
#1 El Salvador
#1 Guatemala
#1 India
#1 Indonesia
#1 Jordan
#1 Kyrgyzstan
#1 Lebanon
#1 Mexico
#1 Mongolia
#1 Netherlands
#1 New Zealand
#1 Nicaragua
#1 Panama
#1 Philippines
#1 Qatar
#1 Saudi Arabia
#1 Turkey
#1 United Arab Emirates
#1 Venezuela
#2 Argentina
#2 Azerbaijan
#2 Belarus
#2 Brazil
#2 Bulgaria
#2 Chile
#2 Colombia
#2 Costa Rica
#2 Denmark
#2 Ecuador
#2 Estonia
#2 Finland
#2 Greece
#2 Honduras
#2 Israel
#2 Italy
#2 Kazakhstan
#2 Macau
#2 Malaysia
#2 Malta
#2 Norway
#2 Paraguay
#2 Peru
#2 Russia
#2 Singapore
#2 Spain
#2 Sweden
#2 Ukraine
#3 Czech Republic
#3 Egypt
#3 Honduras
#3 Hong Kong
#3 Kazakhstan
#3 Mauritius
#3 Mexico
#3 Nicaragua
#3 Paraguay
#3 Poland
#3 Romania
#3 Saudi Arabia
#3 United Arab Emirates
#4 El Salvador
#4 Hungary
#4 Ireland
#4 Latvia
#4 Portugal
#4 Slovenia
#4 Thailand
#4 Venezuela
#5 United States
#5 Philippines
#5 South Africa
#5 Sweden
