\begin{tikzpicture}[rotate=-90]
  \begin{sankeydiagram}[rotate=-90]
    \sffamily
    \sankeyset{
      ratio=1.7cm/10,
      outin steps=2,
      start style=arrow,
      end style=simple,
      draw/.style={draw=white,line width=.4pt},
      color/.style={fill/.style={fill=#1,fill opacity=.75}},
      shade/.style 2 args={fill/.style={
          fill=none,line width=0,
          top color=#1,bottom color=#2,
          middle color=#1!50!#2!50!white,
          fill opacity=.75}},
      % colors
      @define HTML color/.code args={#1/#2}{\definecolor{#1}{HTML}{#2}},
      @define HTML color/.list={
        cyan/a6cee3,lime/b2df8a,red/fb9a99,orange/fdbf6f,
        violet/cab2d6,yellow/ffff99,blue/1f78b4,green/33a02c
      },
      % colors of countries
      @let country color/.code args={#1/#2}{\colorlet{#1}[rgb]{#2}},
      @let country color/.list={
        CA/red,US/orange,MX/lime,BR/violet,FR/yellow,GB/blue,
        SP/green,PT/cyan,ML/cyan,SN/red,MA/orange,
        AO/violet,ZA/lime,IN/blue,JP/yellow,CN/green
      },
    }
    \def\vdist{5mm}
    \def\hwidth{1em}
    \def\hdist{6cm}

    \sankeynode{name=CA,quantity=7}
    \sankeynode{name=US,quantity=8,at={[yshift=\vdist]CA.left},anchor=right}
    \sankeynode{name=MX,quantity=8,at={[yshift=\vdist]US.left},anchor=right}
    \sankeynode{name=BR,quantity=8,at={[yshift=\vdist]MX.left},anchor=right}

    \foreach \country in {CA,US,MX,BR}{
      \sankeystart[color=\country]{\country}
      \sankeyadvance[color=\country]{\country}{\hwidth}
    }

    \sankeyfork{CA}{1/CA-to-PT,1/CA-to-GB,5/CA-to-FR}
    \sankeyfork{US}{1/US-to-PT,1/US-to-SP,5/US-to-GB,1/US-to-FR}
    \sankeyfork{MX}{1/MX-to-PT,5/MX-to-SP,1/MX-to-GB,1/MX-to-FR}
    \sankeyfork{BR}{5/BR-to-PT,1/BR-to-SP,1/BR-to-GB,1/BR-to-FR}

    \sankeynode{name=FR,quantity=11,
      at={[xshift=\hdist]CA.right},anchor=right}
    \sankeynode{name=GB,quantity=11,
      at={[yshift=\vdist]FR.left},anchor=right}
    \sankeynode{name=SP,quantity=7,
      at={[yshift=\vdist]GB.left},anchor=right}
    \sankeynode{name=PT,quantity=8,
      at={[yshift=\vdist]SP.left},anchor=right}

    \sankeyfork{FR}
    {1/FR-from-BR,1/FR-from-MX,1/FR-from-US,5/FR-from-CA,3/FR-from-00}
    \sankeyfork{GB}
    {1/GB-from-BR,1/GB-from-MX,5/GB-from-US,1/GB-from-CA,3/GB-from-00}
    \sankeyfork{SP}{1/SP-from-BR,5/SP-from-MX,1/SP-from-US}
    \sankeyfork{PT}{5/PT-from-BR,1/PT-from-MX,1/PT-from-US,1/PT-from-CA}

    \foreach \country in {FR,GB,SP,PT}{
      \sankeyadvance[color=\country]{\country}{\hwidth}
    }

    \sankeyfork{FR}{1/FR-to-ZA,1/FR-to-AO,3/FR-to-MA,3/FR-to-SN,3/FR-to-ML}
    \sankeyfork{GB}{7/GB-to-ZA,1/GB-to-AO,2/GB-to-MA,1/GB-to-SN}
    \sankeyfork{SP}{1/SP-to-ZA,3/SP-to-MA,1/SP-to-SN,2/SP-to-00}
    \sankeyfork{PT}{3/PT-to-ZA,2/PT-to-AO,1/PT-to-MA,1/PT-to-SN,1/PT-to-00}

    \sankeynode{name=ML,quantity=9,
      at={[xshift=\hdist]FR.right},anchor=right}
    \sankeynode{name=SN,quantity=9,
      at={[yshift=\vdist]ML.left},anchor=right}
    \sankeynode{name=MA,quantity=9,
      at={[yshift=\vdist]SN.left},anchor=right}
    \sankeynode{name=AO,quantity=9,
      at={[yshift=\vdist]MA.left},anchor=right}
    \sankeynode{name=ZA,quantity=12,
      at={[yshift=\vdist]AO.left},anchor=right}

    \sankeyfork{ML}{3/ML-from-FR,6/Mail-from-00}
    \sankeyfork{SN}
    {1/SN-from-PT,1/SN-from-SP,1/SN-from-GB,3/SN-from-FR,3/SN-from-00}
    \sankeyfork{MA}{1/MA-from-PT,3/MA-from-SP,2/MA-from-GB,3/MA-from-FR}
    \sankeyfork{AO}{2/AO-from-PT,1/AO-from-GB,1/AO-from-FR,5/AO-from-00}
    \sankeyfork{ZA}{3/ZA-from-PT,1/ZA-from-SP,7/ZA-from-GB,1/ZA-from-FR}

    \foreach \country in {ML,SN,MA,AO,ZA}{
      \sankeyadvance[color=\country]{\country}{\hwidth}
    }

    \sankeyfork{ML}{5/ML-to-CN,3/ML-to-JP,1/ML-to-IN}
    \sankeyfork{SN}{5/SN-to-CN,3/SN-to-JP,1/SN-to-IN}
    \sankeyfork{MA}{5/MA-to-CN,3/MA-to-JP,1/MA-to-IN}
    \sankeyfork{AO}{5/AO-to-CN,3/AO-to-JP,1/AO-to-IN}
    \sankeyfork{ZA}{5/ZA-to-CN,3/ZA-to-JP,1/ZA-to-IN,3/ZA-to-00}

    \sankeynode{name=IN,quantity=5,
      at={[xshift=\hdist]ML.right},anchor=right}
    \sankeynode{name=JP,quantity=15,
      at={[yshift=\vdist]IN.left},anchor=right}
    \sankeynode{name=CN,quantity=25,
      at={[yshift=\vdist]JP.left},anchor=right}

    \sankeyfork{IN}
    {1/IN-from-ZA,1/IN-from-AO,1/IN-from-MA,1/IN-from-SN,1/IN-from-ML}
    \sankeyfork{JP}
    {3/JP-from-ZA,3/JP-from-AO,3/JP-from-MA,3/JP-from-SN,3/JP-from-ML}
    \sankeyfork{CN}
    {5/CN-from-ZA,5/CN-from-AO,5/CN-from-MA,5/CN-from-SN,5/CN-from-ML}

    \foreach \country in {IN,JP,CN}{
      \sankeyadvance[color=\country]{\country}{\hwidth}
      \sankeyend[color=\country]{\country}
    }

    \foreach \startcountry/\countries in {
      CA/{PT,GB,FR},    US/{PT,SP,GB,FR},    MX/{PT,SP,GB,FR},
      BR/{PT,SP,GB,FR}, FR/{ML,SN,MA,AO,ZA}, GB/{SN,MA,AO,ZA},
      SP/{SN,MA,ZA},    PT/{SN,MA,AO,ZA},    ML/{IN,JP,CN},
      SN/{IN,JP,CN},    MA/{IN,JP,CN},       AO/{IN,JP,CN},
      ZA/{IN,JP,CN}}
    {
      \foreach \endcountry in \countries {
        \sankeyoutin[shade={\startcountry}{\endcountry}]
        {\startcountry-to-\endcountry}{\endcountry-from-\startcountry}
      }
    }

    \foreach \country/\countryname in {CA/Canada, US/USA, MX/Mexico,
      BR/Brazil, FR/France, GB/England, SP/Spain, PT/Portugal}
    {
      \node[anchor=south,inner sep=.1em,font=\small]
      at (\country) {\countryname\vphantom{Ag}};
    }

    \foreach \country/\countryname in {
      ML/Mali, SN/Senegal, MA/Morocco, AO/Angola,
      ZA/South Africa, IN/India, JP/Japan, CN/China}
    {
      \node[anchor=south,inner sep=.1em,font=\small]
      at (\country) {\countryname\vphantom{Ag}};
    }
  \end{sankeydiagram}
\end{tikzpicture}
